OT-2026-000054434
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented before set-down
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000054434) never changes.
Identity and time
| Publication number | OT-2026-000054434 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1282-7adf-8bea-3aa32f1a3811 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054434 |
| Status | PUBLIC |
Content hashes
| Canonical text | c1c071fcd2ac795d1d6b2f29b7672880c867f7abaddb7f1befee66cb9598e0c9 |
|---|---|
| Markdown | 506d9a0e0858ac02fd34ff792640341ba7b887666df8a13c4a75ce184ef2b4c3 |
| Publication page | 1690199e56f0f70ff147dadfe837bbb3229d5a1cd64c4c8087da6b1b5d1657a6 |
| Manifest | 851555b87f2704c4b2fa8147d52305128aedfc8676e6a7ac514eda011beed415 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | wiGm4Sa0UqZy6FaRz7PEZX+rzCVNxRAZ6HqwnvPoTfUUGRO++U5ZWkXSx7VT/fKS7ps3Wdirnj/xnl8pAB18Dg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-30T00:41:21.194280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054434observed 1690199e56f0f70ff147dadfe837bbb3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T00:41:21.097272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054434/manifest.jsonobserved 851555b87f2704c4b2fa8147d5230512...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:21.035739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054434/publication.mdobserved 506d9a0e0858ac02fd34ff792640341b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:20.914943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054434/publication.txtobserved c1c071fcd2ac795d1d6b2f29b7672880...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:41:50.574459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054434observed 1690199e56f0f70ff147dadfe837bbb3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:41:50.526650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054434/manifest.jsonobserved 851555b87f2704c4b2fa8147d5230512...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:41:50.475402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054434/publication.mdobserved 506d9a0e0858ac02fd34ff792640341b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:41:50.297466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054434/publication.txtobserved c1c071fcd2ac795d1d6b2f29b7672880...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|