OT-2026-000038008
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000038008) never changes.
Identity and time
| Publication number | OT-2026-000038008 · never reused |
|---|---|
| Internal UUID | 01a0ae77-f88a-764b-85f5-1f95234f37cf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:24:53.146436Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000038008 |
| Status | PUBLIC |
Content hashes
| Canonical text | 73d1a5809c70649bcd93f0fc7c0955ee118b0afa4a81d5286840a7b3f85f0946 |
|---|---|
| Markdown | cbd467962712d657805c9532e6e2720d18ab59aa244c34aeb4970de76bb543f6 |
| Publication page | 545d521fb7fe45b6f6b80a996158a43789eeb0f714ace6b426a2527ddab2256f |
| Manifest | 26add0a51703bee582097bf43d3b070d6df98eb15f56fdc6c52576e6750a57e1 |
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 | c7Q6HL1tyzmvMqEJWH98VtLpHFDRdhkiqG5i2BuO/JAVVBQ+kW5s+P5y6k0o1H1S/wkb+CQCccDRbuYm0sLdBA== |
| 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
| 2026-09-28T08:41:11.544556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038008observed 545d521fb7fe45b6f6b80a996158a437...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-28T08:41:11.486224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038008/manifest.jsonobserved 26add0a51703bee582097bf43d3b070d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:11.399946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038008/publication.mdobserved cbd467962712d657805c9532e6e2720d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:11.313099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038008/publication.txtobserved 73d1a5809c70649bcd93f0fc7c0955ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:38.551499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038008observed 545d521fb7fe45b6f6b80a996158a437...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:38.534592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038008/manifest.jsonobserved 26add0a51703bee582097bf43d3b070d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:38.517366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038008/publication.mdobserved cbd467962712d657805c9532e6e2720d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:38.494066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038008/publication.txtobserved 73d1a5809c70649bcd93f0fc7c0955ee...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|