OT-2026-000004909
Publication integrity record
Porous face vacuum gripper, four outlet manifold, ejector fed, pulsed blow off before 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-2026-000004909) never changes.
Identity and time
| Publication number | OT-2026-000004909 · never reused |
|---|---|
| Internal UUID | 01a0a927-76b9-7ac8-bb08-17977ecb1b07 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:38:50.941161Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004909 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4cdb6374024b4f07bcc2dc9acfbbb83ecc749759eaff90d3667d884c71d41f4f |
|---|---|
| Markdown | 2fcfa8d18fbe5f7f0b390c052ecad8a9d0be7179a2569314632155e71890f360 |
| Publication page | e89ac053df052adb153f743d1723d69c4929c67501ff0d7e592f48c2340c12de |
| Manifest | c768f0bd24f25918e50cdf4bf70fd9d8a360691cf4c4df698010753ce0324010 |
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 | cfsWgKKXHq7Vv8MTYd2C4pDyEAYBQxqWVy0c0JI/HM+HaceZlwdRDhpE63qQNmOUT0/xfDc9EUfgrOFWAKayAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T08:41:56.878115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004909observed e89ac053df052adb153f743d1723d69c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:41:56.221504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004909/manifest.jsonobserved c768f0bd24f25918e50cdf4bf70fd9d8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:41:55.930896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004909/publication.mdobserved 2fcfa8d18fbe5f7f0b390c052ecad8a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:41:55.692100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004909/publication.txtobserved 4cdb6374024b4f07bcc2dc9acfbbb83e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:05.896638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004909observed e89ac053df052adb153f743d1723d69c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:05.885098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004909/manifest.jsonobserved c768f0bd24f25918e50cdf4bf70fd9d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:05.871270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004909/publication.mdobserved 2fcfa8d18fbe5f7f0b390c052ecad8a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:05.735577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004909/publication.txtobserved 4cdb6374024b4f07bcc2dc9acfbbb83e...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. |
|---|