OpenTechnical

OT-2026-000071334

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000071334) never changes.

Identity and time

Publication numberOT-2026-000071334 · never reused
Internal UUID01a0ae91-e0ec-7d03-805e-5fb4839bd170 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071334
StatusPUBLIC

Content hashes

Canonical text24f44f9170e06fee0c92831d80fd4d23cf102a1e5b2126a81643dd21d2f8070d
Markdown95bb6166e57acdfd68ba81ad13f5390474eb4c783d8d0d57beb0fb610db87be4
PDF
Publication page9d16e709fdfac509e9b26474f667c682312cd428fd3efecf02e9572506dc1e3b
Manifest34b6bc8f9a1898f3bc1b097b62fe4ba4f0b524dbb8b00a16cb51476b514fd229

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
SignatureU2voYK570gBnO3WdpiTvm8clLZrOuTzyuZwQhXU4DqeW23Dgl0DEQEPEaeN4kXiisqKhntA4HItyxbXjxHieDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:55.968987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071334
observed 9d16e709fdfac509e9b26474f667c682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.951176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071334/manifest.json
observed 34b6bc8f9a1898f3bc1b097b62fe4ba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.933677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071334/publication.md
observed 95bb6166e57acdfd68ba81ad13f53904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.915213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071334/publication.txt
observed 24f44f9170e06fee0c92831d80fd4d23...
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.