OpenTechnical

OT-2026-000053008

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000053008) never changes.

Identity and time

Publication numberOT-2026-000053008 · never reused
Internal UUID01a0ae84-a430-7c65-b8e8-c3b20948f457 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053008
StatusPUBLIC

Content hashes

Canonical textb64630bdbdd19263defd5f333b1cf438e4537f4d041c3fce3714abd3b7c46f63
Markdownefe6deaf66498cd6fcc81419c71ba151695a8bb5fefed837356ee6199c845af7
PDF
Publication page9ee83e0bb51c89130c1de611910e573d654dfa92e6b73bf276ac3ff3ae8838de
Manifest999f3d5bf407ffbb40db4d7675085b9ab4ddbe0f3d6a87f27e6e7bee89918ac0

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
Signature98/FLEQj++Ew2nfoMylnNg4zKKN3XRqToXHDR7QYEgEJaM4S7JpMFKJOmcYFbdbOVmztlDuMIZHDnsW997YOAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:42.343524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053008
observed 9ee83e0bb51c89130c1de611910e573d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.327449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053008/manifest.json
observed 999f3d5bf407ffbb40db4d7675085b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.307088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053008/publication.md
observed efe6deaf66498cd6fcc81419c71ba151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.290272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053008/publication.txt
observed b64630bdbdd19263defd5f333b1cf438...
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.