OT-2026-000029371
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer
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-2026-000029371) never changes.
Identity and time
| Publication number | OT-2026-000029371 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e20-773a-90c5-707d56c9210c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029371 |
| Status | PUBLIC |
Content hashes
| Canonical text | 41c5523e07f8dae62bccd87e71c554714069fdc4a67666c741bcd45370b1ac1e |
|---|---|
| Markdown | 423c8aa465caa695a35cc71b6bea0eda92dea2efe6955baf8d6df861d92a1d9d |
| Publication page | 4969ceae24ce2b32296e0fb6f2138bdcc9d98b1e2fe8772ff36308864cc8650f |
| Manifest | 5395d552a4edc01dcd27020780c2f83bd11ae6ba749dfa05e829cd4c9cd9f909 |
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 | wT03STJNPELWPUJroaLo0kYJHPm1W+LYaDh0UEr5yuRjYUXKOWQvVjtOq2tN53dTzsrD6UjoMBaFjkehFWZ3Cw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-20T08:43:28.334133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029371observed 4969ceae24ce2b32296e0fb6f2138bdc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-20T08:43:28.243900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029371/manifest.jsonobserved 5395d552a4edc01dcd27020780c2f83b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:43:28.105076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029371/publication.mdobserved 423c8aa465caa695a35cc71b6bea0eda...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:43:27.977606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029371/publication.txtobserved 41c5523e07f8dae62bccd87e71c55471...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:41:27.886337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029371observed 4969ceae24ce2b32296e0fb6f2138bdc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:41:27.493209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029371/manifest.jsonobserved 5395d552a4edc01dcd27020780c2f83b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:41:27.023368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029371/publication.mdobserved 423c8aa465caa695a35cc71b6bea0eda...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:41:26.670349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029371/publication.txtobserved 41c5523e07f8dae62bccd87e71c55471...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 |
|---|