OT-2026-000006172
Publication integrity record
Porous face vacuum gripper, four outlet manifold, pump fed, vented after set down, closed cell
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-2026-000006172) never changes.
Identity and time
| Publication number | OT-2026-000006172 · never reused |
|---|---|
| Internal UUID | 01a0a951-c8da-7389-aa4b-3a992e59afc7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:25:04.477564Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006172 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6d1b74136640f4c587c9d0ae319d4453eae343a162e51d3028c4a0c82414b3cd |
|---|---|
| Markdown | 77650f101f59c0f4cf9ed493afdb7ce19cb48d51ca9e14a98f634a32b6bf10c9 |
| Publication page | 4a1caae2827c9ab0a5227a1922973f2a219d14399cb463006fc5e274f03e854d |
| Manifest | 580c1f9c30817194b4235f0f463a449353ac96039e9d35fb2f5eb14cd3f1c089 |
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 | 44fjjcI4LmlOd2/PolSarE+cusBaiEwmiMLy0x2R5jT6vT2NXs1u2YbqrVlxJ+/9TbrVIYv7Fg7rbMJad3TgBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:30:19.443677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006172observed 4a1caae2827c9ab0a5227a1922973f2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:30:19.429337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006172/manifest.jsonobserved 580c1f9c30817194b4235f0f463a4493...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:19.415670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006172/publication.mdobserved 77650f101f59c0f4cf9ed493afdb7ce1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:19.400621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006172/publication.txtobserved 6d1b74136640f4c587c9d0ae319d4453...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. |
|---|