OpenTechnical

OT-2026-000076338

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before set-down

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-2026-000076338) never changes.

Identity and time

Publication numberOT-2026-000076338 · never reused
Internal UUID01a0ae94-6a70-7ecc-b08b-bee822fe913a · 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-2026-000076338
StatusPUBLIC

Content hashes

Canonical text881f834b1cbe2f9355c80a0d9037dcbe9dc62fc051936b8813026a553d0524ca
Markdown3bde3afce5f4a92f699c1bb75cf72a6c780d12af032d2db273136c6b6dcf4ea7
PDF
Publication pageb39b393c745e25ed65e04b32e52ad99fe7c9c447d063f2dc2651fb4b76d118b9
Manifesta0e965923cab8684ba172876fe80ed68c1b00482870bced1d86d1f10073eaf01

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
SignatureW8oHHcMZeYqAjTwvJ2kt3TeQH6bn47V+Jjop4FZStOLFrHn6hMkUSGAVIjL08No2p27t2ohw6FzuwR8IruIfAQ==
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

2026-09-17T10:12:11.765412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076338
observed b39b393c745e25ed65e04b32e52ad99f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.746910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076338/manifest.json
observed a0e965923cab8684ba172876fe80ed68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.725158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076338/publication.md
observed 3bde3afce5f4a92f699c1bb75cf72a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.707293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076338/publication.txt
observed 881f834b1cbe2f9355c80a0d9037dcbe...
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.