OpenTechnical

OT-2026-000080884

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000080884) never changes.

Identity and time

Publication numberOT-2026-000080884 · never reused
Internal UUID01a0ae96-b974-7711-95de-5a8b8daab0dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080884
StatusPUBLIC

Content hashes

Canonical text749fc465b4778a9cfb66b1dae6600e574ed271664d4817f11d59a33cb04e96a7
Markdown6abe901c519815d580e6ac3a6c4b36bf38eb808d70d3faa6b785663011bbda46
PDF
Publication page84f96a4ba605bf0eccd549383a16c2d088fe6e1f72b7572e0e204f64ea2c221c
Manifestce012c3b7cb9994551a3b1016ce710a984fab307b4e5fb8fbd11c9c0ffb2f95b

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
SignaturecWx/P20RasFeOeo5vJaU0YvoUWkbRdoFhRSmSb/qozqZrB/bvMzbx1VWQ41FMUn3+0hbjF/9c33CGm6ZNvk2CQ==
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

2026-09-17T10:02:05.096173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080884
observed 84f96a4ba605bf0eccd549383a16c2d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.076634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080884/manifest.json
observed ce012c3b7cb9994551a3b1016ce710a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.057624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080884/publication.md
observed 6abe901c519815d580e6ac3a6c4b36bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.037894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080884/publication.txt
observed 749fc465b4778a9cfb66b1dae6600e57...
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.