OT-2026-000030137
Publication integrity record
Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold 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-2026-000030137) never changes.
Identity and time
| Publication number | OT-2026-000030137 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e4ff-71e2-bcd2-6e60da63d2e5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030137 |
| Status | PUBLIC |
Content hashes
| Canonical text | 216c725b2a4e9bc04a9fe723975673efdd8ab43441d981c8ffc8627f071900c6 |
|---|---|
| Markdown | 51716db0d67d628f0b0892f4a7fa3f0eb24146bd2c2ff2a0fc251c1b8b44a980 |
| Publication page | 0a2ed828d96419c594bdada5212a17d5880ed43697257c03ae0d62c9b21164f3 |
| Manifest | efdaa91fafb1f88613c3cb117ba098737e96c9a08189f8e575eb4b51fcde12e7 |
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 | sIkZHzrE5Sl8FOSduppXGgpZTsUpZ4Pap6i4o09R55THv11duq/unBWYfvOsCLeKtsfAYeAdNQfxK+lEYkv0DQ== |
| 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
| 2026-09-17T11:40:22.731114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030137observed 0a2ed828d96419c594bdada5212a17d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:22.712390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030137/manifest.jsonobserved efdaa91fafb1f88613c3cb117ba09873...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:22.692556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030137/publication.mdobserved 51716db0d67d628f0b0892f4a7fa3f0e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:22.674986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030137/publication.txtobserved 216c725b2a4e9bc04a9fe723975673ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:45.716053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030137observed 0a2ed828d96419c594bdada5212a17d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:45.699252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030137/manifest.jsonobserved efdaa91fafb1f88613c3cb117ba09873...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:45.680482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030137/publication.mdobserved 51716db0d67d628f0b0892f4a7fa3f0e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:45.661236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030137/publication.txtobserved 216c725b2a4e9bc04a9fe723975673ef...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. |
|---|