OT-2026-000053550
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000053550) never changes.
Identity and time
| Publication number | OT-2026-000053550 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a92-7260-af97-e5177e31714d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053550 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2fb3893b4bba5a9b425f611fe8cc2bc92c7f7327e8938908e8f1ab9a08d4696b |
|---|---|
| Markdown | 1ad93bf04a39bce21da5e4fd910fd3dcf99ca662340b4db67ec231909eb8df78 |
| Publication page | 2828feb51b8da5abca928789ea6e517ebabd61b50a1a2c581deef4d01f2c4f32 |
| Manifest | b506bbf44992706de7e5d7a2cb362a23efb19a7d917f169582a89e28039f33ae |
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 | XjGojPU8mWgsen4bxWneDx9ev84uL5l81VNwktNDXRjyhWbDcFQ02C9jp7cBIT8W0T/xqXhas07pALSCBX64DA== |
| 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
| 2026-09-17T10:55:24.492997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053550observed 2828feb51b8da5abca928789ea6e517e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:24.475069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053550/manifest.jsonobserved b506bbf44992706de7e5d7a2cb362a23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:24.457492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053550/publication.mdobserved 1ad93bf04a39bce21da5e4fd910fd3dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:24.439433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053550/publication.txtobserved 2fb3893b4bba5a9b425f611fe8cc2bc9...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. |
|---|