OpenTechnical

OT-2026-000081070

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented after 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-2026-000081070) never changes.

Identity and time

Publication numberOT-2026-000081070 · never reused
Internal UUID01a0ae96-b976-7034-816c-b35c361bf891 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081070
StatusPUBLIC

Content hashes

Canonical text11a445f8d3d3c3b5659b4eee5eb27a2ca281e01c998b866e397e5043f5d2ff80
Markdown4dfa188c5780b271556c408f582fafd98504d7157637a6c2b1df8c9db827c292
PDF
Publication page6fe7be2d539da40fb0837c54f17c1f029cf0204cf84ee361a6bb1b196a546e23
Manifestcd6e4c826223cde5b0ff499f66467e8ee5a9981c12f609b3fb56f4aab0c8409b

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
Signature9GTOP6AGG0SpdWQ+YjnYdwxbRmPmXfrXMvweTK4BQioD/4X1L5X139hx+NfvxD1QpzTulMXaSwua6XYxqFySAQ==
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

2026-09-17T10:02:22.089922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081070
observed 6fe7be2d539da40fb0837c54f17c1f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.072047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081070/manifest.json
observed cd6e4c826223cde5b0ff499f66467e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.055587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081070/publication.md
observed 4dfa188c5780b271556c408f582fafd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.039304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081070/publication.txt
observed 11a445f8d3d3c3b5659b4eee5eb27a2c...
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.