OpenTechnical

OT-2026-000102616

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000102616) never changes.

Identity and time

Publication numberOT-2026-000102616 · never reused
Internal UUID01a0aea4-858b-74ea-94c8-3fb4bb8a7edb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102616
StatusPUBLIC

Content hashes

Canonical textf0ce39974f9e5de14aaa571b22148e9acd5598438289fb4fac8f3e9285918598
Markdown3dae8ec67cfff8fc229a7d8d0530c6204c92d4bc6df1af5e5908a00ae805435a
PDF
Publication page43c02b76e51fb8c3b14deeb391829a410e6e7ab4913877ad587102d66cf8a802
Manifest2cf5ca036f45a0af511a0bcc44242dd9fc41c70a52f8eaee52109aa745005fa1

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
Signature8Cm4EvYvYakX+xZXXAJVhFIErZ7SSwPPD5w1LI79Qjikf0y3+07Bx0WYicOdbtuuz39j23WJon8QsE0csuJhDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:06.480201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102616
observed 43c02b76e51fb8c3b14deeb391829a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.462741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102616/manifest.json
observed 2cf5ca036f45a0af511a0bcc44242dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.445482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102616/publication.md
observed 3dae8ec67cfff8fc229a7d8d0530c620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.426829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102616/publication.txt
observed f0ce39974f9e5de14aaa571b22148e9a...
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.