OpenTechnical

OT-2026-000006455

Publication integrity record

Vacuum cup gripper, per zone isolation, three stage ejector, pressure verified, vented before set down

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-2026-000006455) never changes.

Identity and time

Publication numberOT-2026-000006455 · never reused
Internal UUID01a0a95b-d6d4-78e8-a995-ba477a48a09d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:36:03.415561Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006455
StatusPUBLIC

Content hashes

Canonical textbd4d8f57d7c8cf648851e56cba29df99935c39fbe6a89eb64566354183b85175
Markdown668e0ef68b78c04cb105ae3940f57a7552b314c595cbdea914548d4fc49b43a0
PDF
Publication page677f4c39ccf1673da34bef4d5977ef83d1b0ac5ab531e08d049126ced13ed3d3
Manifestad09cde0f396cd9dc9a0872e2649d6dc0eae523a9603eb580702116d76ee7533

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
Signature5M543JoimgOJtz4W19caryWQIUjnpreTF1gk12CsR1NZHUBAB4A8P7zWUjEurAzTXo10atVhOPf8VIxYgcD6Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:15.642220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006455
observed 677f4c39ccf1673da34bef4d5977ef83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:15.624270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006455/manifest.json
observed ad09cde0f396cd9dc9a0872e2649d6dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:15.482144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006455/publication.md
observed 668e0ef68b78c04cb105ae3940f57a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:15.466378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006455/publication.txt
observed bd4d8f57d7c8cf648851e56cba29df99...
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.