OpenTechnical

OT-2026-000031308

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000031308) never changes.

Identity and time

Publication numberOT-2026-000031308 · never reused
Internal UUID01a0ae74-87ac-7ab8-a22a-e209b75025a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031308
StatusPUBLIC

Content hashes

Canonical text5a912b593f5584e62529f77f5ae22e4c4214931bad8537d9c98e2047c866dd4b
Markdown298bc45945b897764805e727c39ef9d89929c3e913aa1d26b195334ffa6981ed
PDF
Publication pageb54782ddecdaefc44dd29119db24cf76f3fad62a9b9b5a995d898e456c19b670
Manifest4957d7ae5ba30a161d20e814262da4b4580ebdc0ff877a2e52dbad46b9dbb423

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
SignatureASeMaVM0OUDGDFnI7GlkvsENPpSDgTb1ThWTrk1AsRCZ4WOuaZSUaqaX59fk8nD8qcQdpB0SyiCZKb0IlJleBA==
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

2026-09-17T11:35:53.913642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031308
observed b54782ddecdaefc44dd29119db24cf76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.896720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031308/manifest.json
observed 4957d7ae5ba30a161d20e814262da4b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.879640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031308/publication.md
observed 298bc45945b897764805e727c39ef9d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.863699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031308/publication.txt
observed 5a912b593f5584e62529f77f5ae22e4c...
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.