OpenTechnical

OT-2026-000086434

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000086434) never changes.

Identity and time

Publication numberOT-2026-000086434 · never reused
Internal UUID01a0ae9a-2c97-7509-8ca3-a2a341c24c7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086434
StatusPUBLIC

Content hashes

Canonical textc5a15ef36b4e7c412916cc0efb920ca7fb0330eb222abcbdb280eeb625039fb0
Markdown8822a0df9e0bb2ffd213a008e588dedde294e3d21408d934bdf15b69b5421708
PDF
Publication pagec04a22eca484b5485090834018841d2c3cb20afc166de6172fcfaa0b33848ae0
Manifest6139b16536bef63c56f424942dfc674f12f0bbab86b8b27761c33ee01da822ff

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
SignatureYR93cYpMX/kBF6f/MjDNxOqX2QxEHUUzRSqx7w5Q0abLPXl811g2SSgfOJcKZYW6R8AkpOjj+Ez8Ae07IneKAQ==
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

2026-09-17T09:52:13.922853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086434
observed c04a22eca484b5485090834018841d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.905212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086434/manifest.json
observed 6139b16536bef63c56f424942dfc674f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.885598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086434/publication.md
observed 8822a0df9e0bb2ffd213a008e588dedd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.866242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086434/publication.txt
observed c5a15ef36b4e7c412916cc0efb920ca7...
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.