OpenTechnical

OT-2026-000089309

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000089309) never changes.

Identity and time

Publication numberOT-2026-000089309 · never reused
Internal UUID01a0ae9b-db01-7d08-85be-2029c70c439b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089309
StatusPUBLIC

Content hashes

Canonical textde54e1cb9046ca3cf0c6bb538417a907a9833d127e551b6e13ab0d67aaa217e5
Markdowneb766eca0abfdcdb424a629fa85c330eada4b511a815bfa25964172d6533b3af
PDF
Publication pageb13548681e53d72f0237209f443bc4e721bcf28519a21971a8d2f9cbbdea8608
Manifestdec9d47595f5fe8d37261044743b9592f7ad1bc9e8c1ef7b5fca17b721f56980

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
SignaturetxnLfHq7rzZHLMvS5in977NaB8wBFjX9wmW6viTs4yUbaGkJtS6phV/1aqPk0m4KEDwVeYSPPrdZ3QO+vjVKAQ==
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

2026-09-17T09:47:21.591053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089309
observed b13548681e53d72f0237209f443bc4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.573838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089309/manifest.json
observed dec9d47595f5fe8d37261044743b9592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.557648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089309/publication.md
observed eb766eca0abfdcdb424a629fa85c330e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.539769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089309/publication.txt
observed de54e1cb9046ca3cf0c6bb538417a907...
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.