OpenTechnical

OT-2026-000076202

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000076202) never changes.

Identity and time

Publication numberOT-2026-000076202 · never reused
Internal UUID01a0ae94-6a6f-7698-84eb-39fc7a78a5ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076202
StatusPUBLIC

Content hashes

Canonical texta3b383f175671c60ab75fe5175145f03855f7f23dea158135d08d0e2a422d481
Markdown0ac166fdc9ad5934ccd62a9431818f8ecdf30ac61dcc73e8c9c3e34193e5204d
PDF
Publication page2eb6e9adf724feb780c530e1bb2b1ac7023ea090468397c8067b5d80f7974025
Manifest64c261869a5e628284faffaf5227bdd1e82ff5bfef8a6af13d7743819b73fa6f

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
Signature9nEX35XMizEH0FBSbSXCBNTBwVUIsiLe8HuQ3/sr5p3qqj/LjLDBffoR87WHbzc5rLxSFkX4LB49sGV2RtFwCg==
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

2026-09-17T10:11:33.731113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076202
observed 2eb6e9adf724feb780c530e1bb2b1ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:33.298807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076202/manifest.json
observed 64c261869a5e628284faffaf5227bdd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:33.280005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076202/publication.md
observed 0ac166fdc9ad5934ccd62a9431818f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:33.262568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076202/publication.txt
observed a3b383f175671c60ab75fe5175145f03...
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.