OpenTechnical

OT-2026-000015644

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000015644) never changes.

Identity and time

Publication numberOT-2026-000015644 · never reused
Internal UUID01a0ae6e-0c4b-7f72-a569-d9c64e25f45b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015644
StatusPUBLIC

Content hashes

Canonical text440bf66a56faf27e4e53ce17005b45127f5d679ac1f73d918b02a21d6f6d4b03
Markdown9d1afc0dc8f0ca842bc860d179a5ebcd70926414c005006f681557ced1738722
PDF
Publication page8dbf63df0797fbfa69d7ef6c3afaee95c68b3c95deac3eea985eddbe84637686
Manifest331a2bf679422f769be009214cdce55533fdfc2cc90748c585a32e3b9468185b

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
Signature2xVgBlYe2Z69GwvuKPeBDIeHgT/yVfQnTzVqaYZpxZJlhmGshw31te7kx3goKHJbfkzGWkBXH0IKmpuYlSExCw==
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

2026-09-17T12:04:54.127679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015644
observed 8dbf63df0797fbfa69d7ef6c3afaee95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.109025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015644/manifest.json
observed 331a2bf679422f769be009214cdce555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.087489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015644/publication.md
observed 9d1afc0dc8f0ca842bc860d179a5ebcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.067674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015644/publication.txt
observed 440bf66a56faf27e4e53ce17005b4512...
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.