OT-2026-000091720
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091720) never changes.
Identity and time
| Publication number | OT-2026-000091720 · never reused |
|---|---|
| Internal UUID | 01a0ae9d-43b9-7c05-b5e8-067b909dceae · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:37.256105Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091720 |
| Status | PUBLIC |
Content hashes
| Canonical text | fe39e6c55a0d6a08fbaab323ff3cda3d70c18dcd95920314d72473c172ce30e6 |
|---|---|
| Markdown | 8c8d68b26e9e09a259e0a3012c7e5e9fdcf3c7379841857765e65916322621e2 |
| Publication page | 235cad6a4f1440bae08a340bc40eba676ff78ddefd3c0c2df6d7994c9f8cfd05 |
| Manifest | 1692f30eb8af054049fb339cff0f8c08395f2132aec9e6c36f040c75b239b8c6 |
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 | BdsKcRXXUP65GkQqyHdBhGsnSwfJ0sVH05RML88x/UTeE+UNWAcuSpUL1nq+gYf2hrZ5yCaofzvvXJBhj7TtDQ== |
| 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
| 2026-09-17T09:42:06.597213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091720observed 235cad6a4f1440bae08a340bc40eba67...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:42:06.579412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091720/manifest.jsonobserved 1692f30eb8af054049fb339cff0f8c08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:06.561439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091720/publication.mdobserved 8c8d68b26e9e09a259e0a3012c7e5e9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:06.542212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091720/publication.txtobserved fe39e6c55a0d6a08fbaab323ff3cda3d...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. |
|---|