OpenTechnical

OT-2026-000013497

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000013497) never changes.

Identity and time

Publication numberOT-2026-000013497 · never reused
Internal UUID01a0ae6d-6fcb-7f00-84f0-1c7d57c4f230 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013497
StatusPUBLIC

Content hashes

Canonical textcde6ec4e888d4a06095ba7e0cf68a8e679e36caf1314d3b1b10f35c30c9c1054
Markdown58d1b0528853797265675a42dec9c90844b5b1b14e783ea5c05c4c39e39b3a95
PDF
Publication page7a52e2123487822f386a01f959ad402bead0b1bb392861cfefdf6fee4f2c45ac
Manifest9c82b2723204aa5bff813719f1831c44f8f63f98e447df36c1cf66c0181637cb

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
SignaturePAeuPRPGVarYbg3E0rEtBefo+ZH0k9eF2yYJLavOGHMfwqkGtv3541g5wY/MZWj9Cpv2zFLOrIYU5MxM9LrlDw==
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

2026-09-17T12:10:00.288218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013497
observed 7a52e2123487822f386a01f959ad402b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:00.268615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013497/manifest.json
observed 9c82b2723204aa5bff813719f1831c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:00.249567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013497/publication.md
observed 58d1b0528853797265675a42dec9c908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:00.231896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013497/publication.txt
observed cde6ec4e888d4a06095ba7e0cf68a8e6...
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.