OT-2026-000043520
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000043520) never changes.
Identity and time
| Publication number | OT-2026-000043520 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-92cf-7f70-a139-e1dee743b624 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:49.254972Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043520 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9efd1724fece309447072cf6ba518117fb0a61ddc7b1e42bbf8ec921ee385d74 |
|---|---|
| Markdown | 6a15f76d87801ccd22abc274f4539fa619041f43ec0281cd7b0bb4882559c53a |
| Publication page | 9dcaae1884675fe982cfa003169653b3bdee8c58acc8a57f3234c30294d1ee84 |
| Manifest | 6ec9c5fa1bdb330805a70326422a63889d431e41bf6b595c8023bdc2cdfcdd97 |
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 | qKdZWriwQwrX+4m+jsv4FG554lIfEcdvY4cRZHbWvtGnLjjHrTEu4aoM5/7tdM3fhpd50jHC4WeQcB57BTCqCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:12:53.662580Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043520observed 9dcaae1884675fe982cfa003169653b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:12:53.642658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043520/manifest.jsonobserved 6ec9c5fa1bdb330805a70326422a6388...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:12:53.620265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043520/publication.mdobserved 6a15f76d87801ccd22abc274f4539fa6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:12:53.601951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043520/publication.txtobserved 9efd1724fece309447072cf6ba518117...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. |
|---|