OT-2026-000005497
Publication integrity record
Porous face vacuum gripper, three zone face, two outlet manifold, plant vacuum fed, pressure verified
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-2026-000005497) never changes.
Identity and time
| Publication number | OT-2026-000005497 · never reused |
|---|---|
| Internal UUID | 01a0a93a-e83c-7d22-8304-1cf5447d48ff · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:00:05.182750Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005497 |
| Status | PUBLIC |
Content hashes
| Canonical text | 30d6f93798e7da309b0bbd0af06b18795277f64c2b41f2985ed6b19594a92bf7 |
|---|---|
| Markdown | 794405425f33fbb52e7d20038e541f63a58776a353092008f83e775bf970dc30 |
| Publication page | b153e43f1761e3d196337ec1c6a7c259fa183ca29759d113e475620db5454da0 |
| Manifest | 1d85a2698c25d99233b55c92dc05c72dff016498ffbcd004f010289b45b955df |
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 | ZRdNpkX5g4ByOjdRiLdfdhV5NxcgdLayOs3V9tZIc8V+RPDIYsVIzqwKMnjcpl94rxMNn7H3P2K7SPflkgD+Bw== |
| 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
| 2026-10-28T04:23:21.917923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005497observed b153e43f1761e3d196337ec1c6a7c259...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T04:23:21.905229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005497/manifest.jsonobserved 1d85a2698c25d99233b55c92dc05c72d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-28T04:23:21.887236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005497/publication.mdobserved 794405425f33fbb52e7d20038e541f63...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-28T04:23:21.758709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005497/publication.txtobserved 30d6f93798e7da309b0bbd0af06b1879...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:42:06.055427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005497observed b153e43f1761e3d196337ec1c6a7c259...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:42:05.989259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005497/manifest.jsonobserved 1d85a2698c25d99233b55c92dc05c72d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:42:05.919826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005497/publication.mdobserved 794405425f33fbb52e7d20038e541f63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:42:05.674682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005497/publication.txtobserved 30d6f93798e7da309b0bbd0af06b1879...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 |
|---|