OpenTechnical

OT-2026-000097542

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000097542) never changes.

Identity and time

Publication numberOT-2026-000097542 · never reused
Internal UUID01a0aea1-55b4-7fc1-953b-03169fc89de9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097542
StatusPUBLIC

Content hashes

Canonical text8af9c990417340aaa0bfbe96092bf88ff7c13fd3ccbc130534ffa4d769c50872
Markdown32d9a9fd952ba38b0373c28b2fdb30be960798bc791f364c90bdc4e5c1352e39
PDF
Publication pagef6df1969e1ba8ca3ac01818f4070e0b896e78b7329b77a175cf634645df09090
Manifestd7a19d52835ce9d5808f9d7374a874256e1a48ea9224b010411673ada0d0c23d

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
SignatureqqN4wxTKwHWFd/AnNKwxoBYNqV9o77Gpy8gaecBvr78jefhYbU2iGcV6FkiGfkxZc883IgH89NV+w2rjQlusAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:25.257308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097542
observed f6df1969e1ba8ca3ac01818f4070e0b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.240826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097542/manifest.json
observed d7a19d52835ce9d5808f9d7374a87425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.224445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097542/publication.md
observed 32d9a9fd952ba38b0373c28b2fdb30be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.207670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097542/publication.txt
observed 8af9c990417340aaa0bfbe96092bf88f...
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.