OpenTechnical

OT-2026-000076198

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000076198) never changes.

Identity and time

Publication numberOT-2026-000076198 · never reused
Internal UUID01a0ae94-6a6f-755c-a5d7-128f0cfac817 · 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-2026-000076198
StatusPUBLIC

Content hashes

Canonical textfb95631ee6ea4cc4dad092687ca33a5d25863eaa7849dc67f21ae49b561d20f9
Markdown04075ab18e03bf29bc15657d7077f2fb59e01eb5f958c2b84545627325ef34db
PDF
Publication pagec92f1b19ee6d1d32fafb0e923067bd2d329f034bce0d812eef4e7de5c30bfa33
Manifest87ffec2802328bca0e0c8d7e10c06df98b22d8bc282504dbb29249399ed527df

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
Signaturepir/wPaV7SjCXuCcOEQgQ/scWriZcaZR34418m2vR9jpGyVuAdHLcTRWGZX3cpASP7Oags7r9FWUwt0soH6hDQ==
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

2026-09-17T10:11:32.311091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076198
observed c92f1b19ee6d1d32fafb0e923067bd2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.294442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076198/manifest.json
observed 87ffec2802328bca0e0c8d7e10c06df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.277604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076198/publication.md
observed 04075ab18e03bf29bc15657d7077f2fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.259935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076198/publication.txt
observed fb95631ee6ea4cc4dad092687ca33a5d...
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.