OT-2026-000015383
Publication integrity record
Foam pad vacuum gripper, two zone face, two outlet manifold, single 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-2026-000015383) never changes.
Identity and time
| Publication number | OT-2026-000015383 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef49-7601-9bc7-9d61cbad0bb5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015383 |
| Status | PUBLIC |
Content hashes
| Canonical text | a2d1bd81799817dc6b7c0de7b5825fccd3451bd2911de6b2b76af0466c0e082c |
|---|---|
| Markdown | 0ffc311df58b9d1820aa3680a8e47437ff5361a8cd0b89df97481399a14a760f |
| Publication page | 3736f3e7240493a80f6e37abf20ea4c586cb140947b5da87b4f3cbaf9429e91c |
| Manifest | e74ee6dad151322a3c9c1c79b509142891d35f17b86f36ad58c87cf4ebe7dcdb |
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 | Y1PNJR6htki/e8+c4sbYg7E3fV2QRPromouwADQGqTOOjpEKNINXIREJ2qgzcYr0UOcHgW6byutjjXu83wPnAw== |
| 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
| 2026-11-01T00:41:30.052892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015383observed 3736f3e7240493a80f6e37abf20ea4c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T00:41:29.968002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015383/manifest.jsonobserved e74ee6dad151322a3c9c1c79b5091428...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:41:29.916584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015383/publication.mdobserved 0ffc311df58b9d1820aa3680a8e47437...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:41:29.858054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015383/publication.txtobserved a2d1bd81799817dc6b7c0de7b5825fcc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:42:08.828223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015383observed 3736f3e7240493a80f6e37abf20ea4c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:42:08.725057Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015383/manifest.jsonobserved e74ee6dad151322a3c9c1c79b5091428...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:42:08.623474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015383/publication.mdobserved 0ffc311df58b9d1820aa3680a8e47437...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:42:08.425481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015383/publication.txtobserved a2d1bd81799817dc6b7c0de7b5825fcc...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 |
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