OT-2026-000052800
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000052800) never changes.
Identity and time
| Publication number | OT-2026-000052800 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42e-7376-b361-45771a763636 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052800 |
| Status | PUBLIC |
Content hashes
| Canonical text | c21cf72de2d35e2e0ed1368eae2043d8089db9b4dd85d3ca7456baef58ed6c5c |
|---|---|
| Markdown | a1b826d17371702db2b0fdce7f41ab0141677559b9c1ee3823e4c4f02099a227 |
| Publication page | 4c2c3d4f0612bfb963d5300c99597095dc04610f52dda8b259899e5e5f724c7f |
| Manifest | 926b2f482fe1eff74e3257190ce8a0ebb8ff625f176e0aaa30d9d140e873fdae |
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 | DGhV6dlLk7B0OSsLpaX/GXSsN5U+fVJoAZcrHt2NFOj4CBdtAmJVAeD3sfx0QHE9k+PjRGMEQEx/2LFGS9CgCA== |
| 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... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:55:48.956268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052800observed 4c2c3d4f0612bfb963d5300c99597095...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:48.933578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052800/manifest.jsonobserved 926b2f482fe1eff74e3257190ce8a0eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:48.915720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052800/publication.mdobserved a1b826d17371702db2b0fdce7f41ab01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:48.897005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052800/publication.txtobserved c21cf72de2d35e2e0ed1368eae2043d8...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. |
|---|