OpenTechnical

OT-2026-000084378

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000084378) never changes.

Identity and time

Publication numberOT-2026-000084378 · never reused
Internal UUID01a0ae98-5b62-70ff-8974-ef97d4998acf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084378
StatusPUBLIC

Content hashes

Canonical text405cf5b92af053eab9635057cb4cf98d1b02465b07933bc8a284ef7bff51da63
Markdown49d92818b49491b8d89745614a385ac00afb7b62251839f78d62c7f66bd6204e
PDF
Publication pageb79a7d49c9e5212eb5602098725f8760270786582967147025636392c2fac23e
Manifest703d1db00b52e959b2cedb7db91e1cfa41d1c4503ac7e4936e83cfdf0d60da9d

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
SignatureHCh9oEMCsw1Wg11JpLoZ6Apn2k1ZcndEskGvmGWzbWaTZ31Jml4V0XfBGP4mc2pIn/jvr2wMraXuDmnOugdGCQ==
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

2026-09-17T09:56:19.071188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084378
observed b79a7d49c9e5212eb5602098725f8760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.053201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084378/manifest.json
observed 703d1db00b52e959b2cedb7db91e1cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.035845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084378/publication.md
observed 49d92818b49491b8d89745614a385ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.017418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084378/publication.txt
observed 405cf5b92af053eab9635057cb4cf98d...
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.