OT-2026-000057904
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000057904) never changes.
Identity and time
| Publication number | OT-2026-000057904 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed9-759a-940b-c433c99dbdec · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057904 |
| Status | PUBLIC |
Content hashes
| Canonical text | d663c54d6735dc2b6288fa5a3209adbd59d4a30b6272df41474fbf961aa40842 |
|---|---|
| Markdown | 6b5f446afb66770d0f13c5f597582dda1b40ff9c3f5e18e5cd304f02d8cbb0e6 |
| Publication page | a3ba7f4099cf94735ce7b8888384b9db3fbc6ead9cf3cf1cb30a0b244f508e27 |
| Manifest | 9d959c979f17b62c6486eb971558226d8c5409af28362744f8c60f31d96dc678 |
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 | Jp2YXsDJAn5v6g2Jo82VUC+ZTsFz0EDc2NhjwfZOt8hFcUtcULHpnhhlKf8m0X5m7bVC37//L+dQEfx2EqfoBA== |
| 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
| 2026-09-17T10:47:30.446862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057904observed a3ba7f4099cf94735ce7b8888384b9db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:30.429250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057904/manifest.jsonobserved 9d959c979f17b62c6486eb971558226d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:30.409975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057904/publication.mdobserved 6b5f446afb66770d0f13c5f597582dda...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:30.390353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057904/publication.txtobserved d663c54d6735dc2b6288fa5a3209adbd...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. |
|---|