OpenTechnical

OT-2026-000012571

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, 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-2026-000012571) never changes.

Identity and time

Publication numberOT-2026-000012571 · never reused
Internal UUID01a0ae6d-39f7-796b-b66a-1d62e5e79dae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012571
StatusPUBLIC

Content hashes

Canonical texted3d7ae25be3f1f02cdeb8ea5a4655bd89d5a515c687869d8889063e5e1c7b64
Markdown5ceb6b9b085b4f544ffeba830ab5bc0d4acac52c9b57d15fbc64372745b16c19
PDF
Publication pagee6b6f6ff98c8b6b935635eb331a8226b2def604ea29a27ae79f77c10a83e5729
Manifestacd0485cd8ae66e1537cc9284871a041f68fb7f52cf838173de815bbfc1702dc

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
SignaturepEdTjjhVKLK8JpoiCwzBFQWiVej8S2bGvZu+r/frS0iH4tNPobD/jaK93wa/b5R82dhCga2XyYexCGl5sAK9Bg==
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

2026-09-17T12:12:07.314394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012571
observed e6b6f6ff98c8b6b935635eb331a8226b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.294772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012571/manifest.json
observed acd0485cd8ae66e1537cc9284871a041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.275782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012571/publication.md
observed 5ceb6b9b085b4f544ffeba830ab5bc0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.257452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012571/publication.txt
observed ed3d7ae25be3f1f02cdeb8ea5a4655bd...
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.