OpenTechnical

OT-2026-000091008

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000091008) never changes.

Identity and time

Publication numberOT-2026-000091008 · never reused
Internal UUID01a0ae9c-c011-7a82-8354-51b9ddcb3f29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091008
StatusPUBLIC

Content hashes

Canonical textf75eac2578ae59accc93f260acc98de30f040ba25e6bf6f8d76e56f0b4e44351
Markdownbbfdb2e7881a7d14f53e9b5ca6503460d0da3ab34df6186b537dff29a2b6615c
PDF
Publication page7fabc589b89088c79506fa4731bbc5884e28fd27172024bc95c3a1b6b8bcded6
Manifestb62dc4e53b221b98a6d6d4caed8b3cf3b674fadfac5c443b98c322e3774a5abb

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
SignaturedRwZJjk062UcmI05h56M0cjEqxeVtuHuGP08lPpvw1DzBgkGoRUszJiqmpOdLS6LzL9U8hLjj5ujv+SAwRTlAQ==
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

2026-09-17T09:44:14.583678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091008
observed 7fabc589b89088c79506fa4731bbc588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:14.567087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091008/manifest.json
observed b62dc4e53b221b98a6d6d4caed8b3cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:14.550369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091008/publication.md
observed bbfdb2e7881a7d14f53e9b5ca6503460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:14.533502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091008/publication.txt
observed f75eac2578ae59accc93f260acc98de3...
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.