OpenTechnical

OT-2026-000087964

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000087964) never changes.

Identity and time

Publication numberOT-2026-000087964 · never reused
Internal UUID01a0ae9b-1aa6-7683-b54c-03d0f5ee14d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087964
StatusPUBLIC

Content hashes

Canonical text21f16c52bcd82a37be9383760ff706f66d71f3561ea8409ddb16fc949c3a1a04
Markdownd948c0b0c07f2f63730167a56f27703135f122718d602100acbe3771638a10c9
PDF
Publication pageeb9d39783006ac0510ac4da31783bd9d79fa39f4ed284ce495900332ec5b715c
Manifestd4f4f8ada33308b0c1902dd38935184016966204696c7dd911987db969d08540

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
SignatureulU7+yBJMY6Mn5nm51g6fqmf/V9nAs+Ywa6kodBcbLFHfsrpSKIFwwjfvScycgiXqYHgxU01HE112k2Mj3trAg==
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

2026-09-17T09:49:15.480349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087964
observed eb9d39783006ac0510ac4da31783bd9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.462238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087964/manifest.json
observed d4f4f8ada33308b0c1902dd389351840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.442898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087964/publication.md
observed d948c0b0c07f2f63730167a56f277031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.423751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087964/publication.txt
observed 21f16c52bcd82a37be9383760ff706f6...
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.