OT-2026-000038728
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000038728) never changes.
Identity and time
| Publication number | OT-2026-000038728 · never reused |
|---|---|
| Internal UUID | 01a0ae78-769e-7ff8-b255-8b7b82feb5db · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:25:25.422407Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000038728 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7f9999f30fecba77f40e5ebe640af81c006d0682198ec8328947f9524f6f7a56 |
|---|---|
| Markdown | dc85c886d3ef61759539679e5945529e7c806ae80ada932c33805bded2d4185c |
| Publication page | d53f3469d4813186cc0d5d2b19f8c1081ea18a5682800c2160247e5b26dc40c0 |
| Manifest | 47d1b62dcf8bdaeea76889d2dfdd346625159294acc0c701fa34b11330afbe8d |
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 | 7w4zz09XtgdY1HTBXkjeZCtSg6p81RGoNb82jA/Vv5dQ93Uu4u51i6jhZ3O//D6GD3c30qxKI7f8BEhb6kV2Dg== |
| 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
| 2026-10-22T00:41:34.528914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038728observed d53f3469d4813186cc0d5d2b19f8c108...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T00:41:34.398026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038728/manifest.jsonobserved 47d1b62dcf8bdaeea76889d2dfdd3466...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T00:41:34.285698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038728/publication.mdobserved dc85c886d3ef61759539679e5945529e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T00:41:34.145689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038728/publication.txtobserved 7f9999f30fecba77f40e5ebe640af81c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:21:15.400360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038728observed d53f3469d4813186cc0d5d2b19f8c108...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:21:15.382247Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038728/manifest.jsonobserved 47d1b62dcf8bdaeea76889d2dfdd3466...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:21:15.362984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038728/publication.mdobserved dc85c886d3ef61759539679e5945529e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:21:15.344405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038728/publication.txtobserved 7f9999f30fecba77f40e5ebe640af81c...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 |
|---|