OpenTechnical

OT-2026-000014534

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000014534) never changes.

Identity and time

Publication numberOT-2026-000014534 · never reused
Internal UUID01a0ae6d-b27b-71f4-a578-f16e5c54d2d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014534
StatusPUBLIC

Content hashes

Canonical texte708c385e57c7264edb22b302fb3ad19effb70bdd7968e8c7f3c3221beaae481
Markdowna09bc572e70935f2d9863018669e7fda2cc0607a21b2f1dab88e7c56e58b0164
PDF
Publication pageb721d8b0e71433317b9fb84d38c3bc6666327fe4923109890f00c2bfa1006af2
Manifest8ebd67c992f70b6f99ff24087431ae9f6618f723ed1d5726e313ade6da8c15b6

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
SignatureeEVwDWMl4Jf3phUljtwmnYZW+w4RSKU3J1gtG5kFJmy6nixuwR+c84RFYF9JIFLFOPdRjSt9Rsz1XNH/3p4xCQ==
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

2026-09-17T12:10:22.753892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014534
observed b721d8b0e71433317b9fb84d38c3bc66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.734393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014534/manifest.json
observed 8ebd67c992f70b6f99ff24087431ae9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.715724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014534/publication.md
observed a09bc572e70935f2d9863018669e7fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.697467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014534/publication.txt
observed e708c385e57c7264edb22b302fb3ad19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:25.951339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014534
observed b721d8b0e71433317b9fb84d38c3bc66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:25.932763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014534/manifest.json
observed 8ebd67c992f70b6f99ff24087431ae9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:25.913347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014534/publication.md
observed a09bc572e70935f2d9863018669e7fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:25.894185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014534/publication.txt
observed e708c385e57c7264edb22b302fb3ad19...
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.