OT-2026-000072019
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000072019) never changes.
Identity and time
| Publication number | OT-2026-000072019 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c0-7ca6-9cd2-f572828afbf8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072019 |
| Status | PUBLIC |
Content hashes
| Canonical text | 94ddbca4cb40530326f88907abe3ddd3084004694522c42afda38e70c5fbf24b |
|---|---|
| Markdown | f19fb8a497889e012deadc1b0e4b86001e68cd70543cda9687e778637e0dacb7 |
| Publication page | c2b0e399c8b501cf2dc7a08db21dbbbed72dfd9a94d8ba89c2f5614468524de1 |
| Manifest | 41825c65038e2281b24e29ea8d9bff46542c0d837f48c70c925d6a926dd9ddf5 |
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 | pXkA0KZ9n6S65TQsXmlE3nbljuWFV7acnw/PVJCCJBBUrF1ngjCRYMYmjIQc/0/ShJeKaZ9Ki3sHzeVj1JTbCg== |
| 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
| 2026-09-17T10:23:04.842290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072019observed c2b0e399c8b501cf2dc7a08db21dbbbe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:04.823070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072019/manifest.jsonobserved 41825c65038e2281b24e29ea8d9bff46...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:04.803364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072019/publication.mdobserved f19fb8a497889e012deadc1b0e4b8600...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:04.786735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072019/publication.txtobserved 94ddbca4cb40530326f88907abe3ddd3...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. |
|---|