OpenTechnical

OT-2026-000030854

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000030854) never changes.

Identity and time

Publication numberOT-2026-000030854 · never reused
Internal UUID01a0ae74-3fb5-703d-960d-a748bfbee4bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030854
StatusPUBLIC

Content hashes

Canonical textee49f579d1add86c271aa28ee730144b4c648f095b9660d5e840520e1981aa90
Markdowncbf4bf45246443ca8a0b9bb516bd9437f866355a4dc8f0d3d2fd88a836cb599c
PDF
Publication page64ee6f9e6674e87c487ae83a38948c125e0d6e14fd97a5189d9f1ea25486171c
Manifest29a84bced6cb9f107e25f5dd1408003db8f70a30e3e3f7ac7d9f977f22a0425b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureilJnRkFjcK0fKehv6nXn8FHQlY62sRAFRUZvzlBOTij3DWzLzSeOvgAMmd3zrhij1ewxOcNZkj5huu6ISBjMCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:49.848902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030854
observed 64ee6f9e6674e87c487ae83a38948c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.830153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030854/manifest.json
observed 29a84bced6cb9f107e25f5dd1408003d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.811592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030854/publication.md
observed cbf4bf45246443ca8a0b9bb516bd9437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.792962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030854/publication.txt
observed ee49f579d1add86c271aa28ee730144b...
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 archivePending 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 packagePending Custody packages are produced weekly.