OpenTechnical

OT-2026-000010235

Publication integrity record

Three cup vacuum gripper, three zone face, pump 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-2026-000010235) never changes.

Identity and time

Publication numberOT-2026-000010235 · never reused
Internal UUID01a0ae6b-cb7b-75b8-96ad-8b231133b355 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010235
StatusPUBLIC

Content hashes

Canonical texta88c0789c24ece27a28693917456a5eefe19b077947245e01eff85ff25ddb6df
Markdown449de1f1db90708c16da5c9512bf0939b602b4a5104cf30af5c042d6a9f94a35
PDF
Publication pagefea8a4d765347fe4cac2ffd2eb5148b6db9368f7770a6deef6493edfb9b7a5d4
Manifest5df409a12020b3e829d9716634bdc14636a3c72be0a05ae7f5c5d355e555a25d

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
SignaturecxuII8j3/ZNbGOlGJUtAtGAHLCZXJ/wvI8MQeyqdXuZgKI5q+ch575Dyw49p2T4Qk91EIoWPX4MEsjoEoPmhAw==
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

2026-09-17T12:16:22.021445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010235
observed fea8a4d765347fe4cac2ffd2eb5148b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:22.002041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010235/manifest.json
observed 5df409a12020b3e829d9716634bdc146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.982331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010235/publication.md
observed 449de1f1db90708c16da5c9512bf0939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.964851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010235/publication.txt
observed a88c0789c24ece27a28693917456a5ee...
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.