OpenTechnical

OT-2026-000021459

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000021459) never changes.

Identity and time

Publication numberOT-2026-000021459 · never reused
Internal UUID01a0ae6f-865d-71f7-a2ac-6221e9731519 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021459
StatusPUBLIC

Content hashes

Canonical text391b607c704e184f4436cc29a1e1d2a9e9159b10e13999bf7b7231f56d998ba2
Markdown2fa9e670ec4581d99cd0e409ce92434966cb926c645423852c09b7d9f2aa301e
PDF
Publication pagea5b92a82d3960eb732926a5beebf7e4e9d6a7f149e23f481524c597d78dd9682
Manifestbda3af4603ecd52c5ada633b801e519fb0481877bf57b83351a5559bbf4cddd8

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
Signature9ceFp0EhS2Pr/vdSXjBTW6Twdp6ky7s2SWnk9uuzksaWmgBMBUyPSGcxgWlTyIvZ68fel8U/89+vQE13bm95Bw==
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

2026-09-17T11:55:22.288180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021459
observed a5b92a82d3960eb732926a5beebf7e4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.270123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021459/manifest.json
observed bda3af4603ecd52c5ada633b801e519f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.252509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021459/publication.md
observed 2fa9e670ec4581d99cd0e409ce924349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.232381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021459/publication.txt
observed 391b607c704e184f4436cc29a1e1d2a9...
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.