OT-2026-000004557
Publication integrity record
Porous face vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000004557) never changes.
Identity and time
| Publication number | OT-2026-000004557 · never reused |
|---|---|
| Internal UUID | 01a0a91b-e30d-712e-8975-eaa15a49b108 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:26:12.240774Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004557 |
| Status | PUBLIC |
Content hashes
| Canonical text | 61ddebb32477de8ccf7fa91f009170155ed90d2bd7bd33da64d8bc99f4ea8252 |
|---|---|
| Markdown | cff42254deade3069838295cd78dfea0c107d2f63275e64ce12a27a6734bcc3d |
| Publication page | e0862b2e455b4cada7e1b7b62ae4f05d546d8f35d61b6f8a69e88711c9983f85 |
| Manifest | 2b9fa341cbaf8337f4c271d0b05216be67a951dee89cc562878c038379c42a1d |
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 | nPEfa9lPqhDpSLYLquISW2wQC/WEt3GFRNyvSWejdiM2S/fgm564MRrafSodXtXT6QsPg8GZjehDYwyOMc72Ag== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:14.994142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004557observed e0862b2e455b4cada7e1b7b62ae4f05d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:14.980616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004557/manifest.jsonobserved 2b9fa341cbaf8337f4c271d0b05216be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:14.968475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004557/publication.mdobserved cff42254deade3069838295cd78dfea0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:14.957151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004557/publication.txtobserved 61ddebb32477de8ccf7fa91f00917015...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
| Custody package | Pending Custody packages are produced weekly. |
|---|