OT-2026-000005453
Publication integrity record
Vacuum cup gripper, six outlet manifold, plant vacuum fed, contact triggered on the face
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-2026-000005453) never changes.
Identity and time
| Publication number | OT-2026-000005453 · never reused |
|---|---|
| Internal UUID | 01a0a939-7d0a-7258-9844-eb0a794be714 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:58:32.205476Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005453 |
| Status | PUBLIC |
Content hashes
| Canonical text | 363fc2d446c822fbb7f962cc8e08fed92ad5395c895adab4ed9df64e5efeaebb |
|---|---|
| Markdown | ece7aa3c7a3f91aaaf972a751d44c9ee8d50513818b2d5ce539df655a3a5cb6c |
| Publication page | ba6718bb450ba31e0862d88d8ea9a6c123e3241740ab091908b78e849754e415 |
| Manifest | 98d5bbeebff5ce4d88cdae9ca58958f12099c4050d18dfd097c38e38d9f7b396 |
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 | KnvSnz7GiX57mzc3pWDhnZ3WDv0ympkeFWG/w7MQJj+IrVqN8MWr9njiLwe/jr21m7a8a+eJh0IJY9AI/pbyAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-10-29T16:41:13.165106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005453observed ba6718bb450ba31e0862d88d8ea9a6c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T16:41:13.108797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005453/manifest.jsonobserved 98d5bbeebff5ce4d88cdae9ca58958f1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T16:41:13.060472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005453/publication.mdobserved ece7aa3c7a3f91aaaf972a751d44c9ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T16:41:12.883871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005453/publication.txtobserved 363fc2d446c822fbb7f962cc8e08fed9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:21.561411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005453observed ba6718bb450ba31e0862d88d8ea9a6c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:21.546541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005453/manifest.jsonobserved 98d5bbeebff5ce4d88cdae9ca58958f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:21.532792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005453/publication.mdobserved ece7aa3c7a3f91aaaf972a751d44c9ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:21.480940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005453/publication.txtobserved 363fc2d446c822fbb7f962cc8e08fed9...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 |
|---|