OpenTechnical

OT-2026-000083220

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000083220) never changes.

Identity and time

Publication numberOT-2026-000083220 · never reused
Internal UUID01a0ae97-c963-75cb-a069-d4c376296eb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083220
StatusPUBLIC

Content hashes

Canonical text9b1937895424aafb8025d07a892775b00171f0f4617a38c4ab7dd6f1ad533ffd
Markdownfb8972186e90a7759b90c2e66d72d4fda26680d05ef57963a2d7c9288e877e3d
PDF
Publication page7210313f3dffbda332268b8959a6ec66e18dc6e345f126e1823937d960f82892
Manifest0c84aefc66c2f4c1f03caa8420065cbacda2cdb3031bc13166217c4d05597741

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
SignatureGT9ARMR+wrOVPYyoqUhtHiLz+Ri7TdQg2hSQQNZD4VUi/N4PtqVE+dILsYCiHUxVsWlccjyfgdyaTmoJ04nXCw==
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

2026-09-17T09:01:08.374640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083220
observed 7210313f3dffbda332268b8959a6ec66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:08.354068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083220/manifest.json
observed 0c84aefc66c2f4c1f03caa8420065cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:08.334378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083220/publication.md
observed fb8972186e90a7759b90c2e66d72d4fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:08.315447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083220/publication.txt
observed 9b1937895424aafb8025d07a892775b0...
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.