OpenTechnical

OT-2026-000014255

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed 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-2026-000014255) never changes.

Identity and time

Publication numberOT-2026-000014255 · never reused
Internal UUID01a0ae6d-b279-71e1-b0b0-a547e1eadbd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014255
StatusPUBLIC

Content hashes

Canonical texta76a0af39e7141f8b1e66b850f21cfb3edb558f520619592d386a904eaab7781
Markdownbdcf4b1618a159c647743f8b8f943df70de0152c0a47b8b85305b8d406491f47
PDF
Publication pagead48b803057a39d05a8351e62c8f034b63796dc8144795f8328d8c7527672800
Manifest14250bee042e39928b0a2f5a82f1efa7fbdf6ba9e0f8d70626062e2222e1cc5c

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
SignatureYP33wbE3QktJP8IjqEnonbRE+jNHHffksNN0R/Hx9HUGKMP/oreqjJMLYGLThiFKoFQhG3lhuxlR4dZVBTqaCA==
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

2026-09-17T12:07:22.828183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014255
observed ad48b803057a39d05a8351e62c8f034b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.810756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014255/manifest.json
observed 14250bee042e39928b0a2f5a82f1efa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.790783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014255/publication.md
observed bdcf4b1618a159c647743f8b8f943df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.771392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014255/publication.txt
observed a76a0af39e7141f8b1e66b850f21cfb3...
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.