OpenTechnical

OT-2026-000065402

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented after 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-2026-000065402) never changes.

Identity and time

Publication numberOT-2026-000065402 · never reused
Internal UUID01a0ae8e-46f8-7fbf-9a9f-85a23d487f04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065402
StatusPUBLIC

Content hashes

Canonical texta4e1cd36230adceaf40217f0aad02a803bddc29a4a109f44fdfce26636cfb10d
Markdownef42476b6b837904a77c435ae7066896ea03a2edbfa60a8781c023ee0b9c7713
PDF
Publication page53c68fff1b8393fe499d795315a2da5ecc4a64dd61a748d54da2df2af94fcd43
Manifestdb5d8fcfc12122e9c583d2623106b43ff989c072891530576d81b4709c13d99e

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
SignaturesBk3ttnVxvzyW7chGs6dSmk5JOzNzsV06BAq2valcqJOsqKYdpQEg/2NpoGOwheCvSen93pYiP3cD8lTmjo3Cw==
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

2026-09-17T10:33:39.870563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065402
observed 53c68fff1b8393fe499d795315a2da5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.852662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065402/manifest.json
observed db5d8fcfc12122e9c583d2623106b43f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.831991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065402/publication.md
observed ef42476b6b837904a77c435ae7066896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.811017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065402/publication.txt
observed a4e1cd36230adceaf40217f0aad02a80...
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.