OpenTechnical

OT-2026-000059517

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000059517) never changes.

Identity and time

Publication numberOT-2026-000059517 · never reused
Internal UUID01a0ae89-8619-7cf4-aa3f-28c62b6a9b54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059517
StatusPUBLIC

Content hashes

Canonical text07673b22d2e23d302935c84a1e9f539e63d6015fb60e6fa41657e9b3ee11d259
Markdownc2c57bccbda2c275a2949b71bd84b28b226792102bb8030b8d1c221366c4feae
PDF
Publication pagee9a7fe681c6ba13f49ffd15bac9ddb663d069552bef1a170d158b49abc0271fe
Manifeste502671c182a53349b670041d23895d122a5d70c1a71714d1ff28f827b3e091f

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
SignatureSOoNdPHy6IudW5khnwYceVZi44Ey7oYR5S7UZhsVJMCm/kxZmitkgn2OnMlX0nYrGNL1n2oKsIMRujMomyJ9Dw==
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...

Independent retrieval

2026-09-17T10:46:14.123904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059517
observed e9a7fe681c6ba13f49ffd15bac9ddb66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.104268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059517/manifest.json
observed e502671c182a53349b670041d23895d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.083843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059517/publication.md
observed c2c57bccbda2c275a2949b71bd84b28b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.065185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059517/publication.txt
observed 07673b22d2e23d302935c84a1e9f539e...
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.