OT-2026-000057578
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000057578) never changes.
Identity and time
| Publication number | OT-2026-000057578 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2693-70ab-8030-3c14f2977c19 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057578 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4e162c4449ed27b297019870e9f21d850982501b444155cdc5276000053957dd |
|---|---|
| Markdown | 78b936625ecd9bd13a71bd40a49b60697f5873d2af37e04000b5d9ce39b10758 |
| Publication page | 4ea3e919acbce1d2908bb6bbe15bac8f70b6a240b767262d9e97ed61543ac0e1 |
| Manifest | ffc857e841a37c3179f945d68cb749c36e45af5bd8eeac224cafce8d3caed34a |
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 | TcxCEkw8meTbzs1Z7UmQvHzE5d+2fUdCvFYxBQ3FrVTOKWSuDxKDbdpIwgm1r158jYbbqSHT6bMG4V2GWT7QCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:48:07.431611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057578observed 4ea3e919acbce1d2908bb6bbe15bac8f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:07.412324Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057578/manifest.jsonobserved ffc857e841a37c3179f945d68cb749c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:07.395543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057578/publication.mdobserved 78b936625ecd9bd13a71bd40a49b6069...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:07.377872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057578/publication.txtobserved 4e162c4449ed27b297019870e9f21d85...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. |
|---|