OpenTechnical

OT-2026-000085241

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000085241) never changes.

Identity and time

Publication numberOT-2026-000085241 · never reused
Internal UUID01a0ae99-43bb-790b-a5ef-f0add7fb4cce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085241
StatusPUBLIC

Content hashes

Canonical text29cb4da22ec0fb34e75554e25f2b1b95a6b3f79aa85131307cb8f0350ad06a8a
Markdown4f3099817fb00a9d7e507138a539a751c53138053c405b1a6b516ed1ca24bf9f
PDF
Publication page7434cb3aee09a3e1fecf1cc4475cbe76102a846c399c7815cbb798c513886cfe
Manifest9b9170cb78fedbd1db8410115ba2cb67458b71f3c1ebf674b4f8df838dfaaf6d

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
SignatureibZAx4snMmJuzE1Hu0uJLdmGPYm2XUiubgLUVE2lFpvGOycdtDYv3AI1wtBuUelTWw/o+tfWhroEAYiiXSmSBQ==
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

2026-09-17T09:55:20.480656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085241
observed 7434cb3aee09a3e1fecf1cc4475cbe76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.462752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085241/manifest.json
observed 9b9170cb78fedbd1db8410115ba2cb67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.443324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085241/publication.md
observed 4f3099817fb00a9d7e507138a539a751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.424338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085241/publication.txt
observed 29cb4da22ec0fb34e75554e25f2b1b95...
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.