OpenTechnical

OT-2026-000044390

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000044390) never changes.

Identity and time

Publication numberOT-2026-000044390 · never reused
Internal UUID01a0ae7c-39d7-7c25-995a-f5186bbd319a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044390
StatusPUBLIC

Content hashes

Canonical text67eb43be4239527592ea78b8236a28410aa84bd20e5cc4a2c1e6d8120fc15f88
Markdownd2150773a77d7b16ddd00b9c8db77d18ca02ab23236315bacf120d81b571f96c
PDF
Publication pageb220ef9d11029a4b9b73432debfa261b8e1aa74ae48045951d70f6310d0e6b95
Manifest072af3a28830318a8999ed66fed3433c585d9bfc35b1c97fdc14a01743a0174c

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
Signaturex8pVTYVAdZca7uEI4NQM2K+AksdtkxEqSaBYtW7FALpFNYm50lokGGkGEtTh27EdSuqxbjxmKGphONLvn+xvBw==
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

2026-09-17T08:30:36.783091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044390
observed b220ef9d11029a4b9b73432debfa261b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:36.763653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044390/manifest.json
observed 072af3a28830318a8999ed66fed3433c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:36.745207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044390/publication.md
observed d2150773a77d7b16ddd00b9c8db77d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:36.726142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044390/publication.txt
observed 67eb43be4239527592ea78b8236a2841...
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.