OpenTechnical

OT-2026-000103614

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pulsed blow-off after 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-2026-000103614) never changes.

Identity and time

Publication numberOT-2026-000103614 · never reused
Internal UUID01a0aea4-e461-70b5-b93a-8d0664923c72 · 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-2026-000103614
StatusPUBLIC

Content hashes

Canonical text21cf83c5f71b23d5f67201d0462887b3b2517df8a045d9dd510f39e15c740939
Markdown735d4c43560acd969934111f266dd5271060599180453d8d5daa9bb420a4a41b
PDF
Publication page79ae087a7e59b26a2725fb62fba4606e625a83d5b24acb8b8418ca3ff31634ad
Manifest0ff85b5a3809a3e66cb66ccde73ae55842d8ab1d31ef62e8b0d9926b44852e47

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
Signature5G8HoY1QcBKGQmc+F2X6wZr2QKWyNrt0BV7c8l7zMmUDe/iDx/YKReKt62b7jmjRuVKY637FL1LkNoT/cvdHDg==
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

2026-09-17T09:22:24.346345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103614
observed 79ae087a7e59b26a2725fb62fba4606e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.330146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103614/manifest.json
observed 0ff85b5a3809a3e66cb66ccde73ae558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.313678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103614/publication.md
observed 735d4c43560acd969934111f266dd527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.296899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103614/publication.txt
observed 21cf83c5f71b23d5f67201d0462887b3...
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.