OT-2026-000068887
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down
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-2026-000068887) never changes.
Identity and time
| Publication number | OT-2026-000068887 · never reused |
|---|---|
| Internal UUID | 01a0ae90-6dcc-7590-9bac-df8c21d263ea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:51:36.025578Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000068887 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6247a928daa7caac9002f86b70a23288dbf92d27e81a47abe0c2cdf637876e7a |
|---|---|
| Markdown | 7ecab2ecfded8b3fd347994e2f7c932138f8654280c9904ff5c95960c9cadbc7 |
| Publication page | b1fb812ec61da4fc1de009096748a595c6c0f9959d15b99f4f8348540950c985 |
| Manifest | d23e4f3cb702245b2f3e1363b168526c1d4d78a0d96fbe24b9175603c09f05ad |
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 | hHN0QeGcwqOvWyG7Ji58qlQd8i4GdTNMCVfIGx6M4Jwkvbb4Kg+LxhvYIDv4Cl4M46kGoCcJynC1Y8aUE0rTAQ== |
| 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
| 2026-09-29T16:41:17.387758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068887observed b1fb812ec61da4fc1de009096748a595...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-29T16:41:17.316465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068887/manifest.jsonobserved d23e4f3cb702245b2f3e1363b168526c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:17.233161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068887/publication.mdobserved 7ecab2ecfded8b3fd347994e2f7c9321...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:17.138825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068887/publication.txtobserved 6247a928daa7caac9002f86b70a23288...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:28:42.312700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068887observed b1fb812ec61da4fc1de009096748a595...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:28:42.294646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068887/manifest.jsonobserved d23e4f3cb702245b2f3e1363b168526c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:28:42.275537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068887/publication.mdobserved 7ecab2ecfded8b3fd347994e2f7c9321...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:28:42.256583Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068887/publication.txtobserved 6247a928daa7caac9002f86b70a23288...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 |
|---|