OpenTechnical

OT-2026-000011219

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000011219) never changes.

Identity and time

Publication numberOT-2026-000011219 · never reused
Internal UUID01a0ae6c-5410-7404-82b8-1d645530593e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011219
StatusPUBLIC

Content hashes

Canonical textcd274a9ce94513b3802e6b7dc160f83598b76a88debb132d72a560d64388053f
Markdown1d697116c44de22b56bed30849a39237ffbb041c2ddf9962e364c8cce3313aa3
PDF
Publication pageb66cdb64d8a316150f46c06fc8ff2782d223071e20a93f5077ce409c8d3c803c
Manifest498b5248849581ef8339c94248804cce6fb28aac1cdeb5229b01b96c375a393d

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
Signature+qDYCAPVJMGn34N1l3cDYb3gWWFNB4TN1w48EhozjbV10JG9zSwxv2esHtrn6cUqVU2pDxztqK6pzi0KgmYhBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:10.522923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011219
observed b66cdb64d8a316150f46c06fc8ff2782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.501673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011219/manifest.json
observed 498b5248849581ef8339c94248804cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.479467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011219/publication.md
observed 1d697116c44de22b56bed30849a39237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.459823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011219/publication.txt
observed cd274a9ce94513b3802e6b7dc160f835...
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.