OT-2026-000071643
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000071643) never changes.
Identity and time
| Publication number | OT-2026-000071643 · never reused |
|---|---|
| Internal UUID | 01a0ae92-1e90-7a1c-aace-cc7ff38747c6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:26.841552Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071643 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6d6d424bdcd3506aa5edc64a123d5cb7cfbfcf817bb72828a73575f452c1555b |
|---|---|
| Markdown | 479e7ec37e811c9fe2025f99bbfbb99d3a0fe7f6616eab03bf1b71302adbf9cb |
| Publication page | 61b90c26994135431d98c5c5f0d53c355463906be4aa962361bc454c2f546e31 |
| Manifest | 356aaf7e5542820a4d2fe45d0cbc33000e4fcb899ce39a31b0dcf30aba916ce5 |
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 | SBDLVk1HQscFmUF+Ge2o1SqNJwc/WNaFO0SeDdNlWTMO+Ty1y0xkXDLIBJpT9CkK27+7Nyh6t5bbFBAe4oXADA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:23:40.575843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071643observed 61b90c26994135431d98c5c5f0d53c35...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:40.559393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071643/manifest.jsonobserved 356aaf7e5542820a4d2fe45d0cbc3300...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:40.542061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071643/publication.mdobserved 479e7ec37e811c9fe2025f99bbfbb99d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:40.525193Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071643/publication.txtobserved 6d6d424bdcd3506aa5edc64a123d5cb7...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. |
|---|