OpenTechnical

OT-2026-000103609

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000103609) never changes.

Identity and time

Publication numberOT-2026-000103609 · never reused
Internal UUID01a0aea4-e461-789f-96ef-6862466b7517 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103609
StatusPUBLIC

Content hashes

Canonical texte2c6ebfb172c4d7dd354a4f5f6f3fd6d2d95c0244886ab1bf5f17fe43fea8d72
Markdownd0a2808e4641606576c24ebe8fcc58b835a7768c45098a6010f43b7d197db7d9
PDF
Publication pagec245c963c9b23ce3eb292ea12b09a967c84197483c03f1d9fabd3ac0b607da40
Manifest70a0a140c21e3015efe409fbd22dbbdf388ac2d4b71994944fd2d3409312f0b0

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
SignaturevnzJanQzQ8oInVaHuxpm5xLYNZJPgVPAFpCLh6228k77pc5AfDc7PKOYOwRBy97pDnjIT1p3ZJT1q+sl1bNMBg==
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

2026-09-17T09:22:23.993266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103609
observed c245c963c9b23ce3eb292ea12b09a967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.976309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103609/manifest.json
observed 70a0a140c21e3015efe409fbd22dbbdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.959511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103609/publication.md
observed d0a2808e4641606576c24ebe8fcc58b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.941017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103609/publication.txt
observed e2c6ebfb172c4d7dd354a4f5f6f3fd6d...
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.