OpenTechnical

OT-2026-000076328

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-2026-000076328) never changes.

Identity and time

Publication numberOT-2026-000076328 · never reused
Internal UUID01a0ae94-6a70-7370-a1b9-56e6d72bf03f · 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-2026-000076328
StatusPUBLIC

Content hashes

Canonical textc1517b2bb52b41bf4a820ba173fccee3e9336d0d2e6db3907daedd6fa0c589ce
Markdown334e411cda3744164cd021b52541116072055764ac43b4b5dfb07ab3e43ee7fc
PDF
Publication paged438bc7049ab36fb4590d35333d0ed4834a4075b056482c7b9e1ce7058b4d4b8
Manifestb2a605b28f5cde1d2ed64fe3a5dcb25b5dc07402a9010520b217262d4c7073da

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
Signature9am6W/Lu7PbP2pYscJ/mEWZNQ9Ks40iFzI3asy1FnB2ib+cbVvVZ9PtmW39BYhLqiplgyTpCmUEVqra6qcqoAg==
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

2026-09-17T10:12:10.969355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076328
observed d438bc7049ab36fb4590d35333d0ed48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:10.949224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076328/manifest.json
observed b2a605b28f5cde1d2ed64fe3a5dcb25b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:10.929165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076328/publication.md
observed 334e411cda3744164cd021b525411160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:10.910618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076328/publication.txt
observed c1517b2bb52b41bf4a820ba173fccee3...
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.