OpenTechnical

OT-2026-000032668

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000032668) never changes.

Identity and time

Publication numberOT-2026-000032668 · never reused
Internal UUID01a0ae75-1070-75b6-92bd-942a43c17582 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032668
StatusPUBLIC

Content hashes

Canonical text7ae7d56fdf1198a96fb9c667d3ea3698b4a4336dd06063c1583538e9a36306c4
Markdown4d497809ad43b81770457751dd2530235a0aaf509ee9d8c98120180309d631ba
PDF
Publication page4cffa566950e96fd384de31326bd316858a7813f8ae0d1ff5e43ab18d813fcd2
Manifestb1e61ce1992fcb94d70010122b35dd110b25cdcec56edf089bb78133a308405e

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
SignatureCI1yVVWeRfzLoYWh+TY3Uc5p4ZQ6pVaziYjDoQUHuVOSzFQQJ4BJEb1t7CRdWNEs8iki6Q59/nj10eEP1lgRAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:34:16.071421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032668
observed 4cffa566950e96fd384de31326bd3168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:16.054359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032668/manifest.json
observed b1e61ce1992fcb94d70010122b35dd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:16.037634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032668/publication.md
observed 4d497809ad43b81770457751dd253023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:16.021740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032668/publication.txt
observed 7ae7d56fdf1198a96fb9c667d3ea3698...
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.