OpenTechnical

OT-2026-000103967

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000103967) never changes.

Identity and time

Publication numberOT-2026-000103967 · never reused
Internal UUID01a0aea5-15e8-765f-9e3a-82bf858728b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103967
StatusPUBLIC

Content hashes

Canonical text9f76ae4c2a534a4694cc128efffe279f7aad51985f388314d9ef63ecbb103f9f
Markdown72a06bbc5a405582670014139ef23dfc3f983650cd25b2efac1f47811aaa9ae1
PDF
Publication page76d2ec6de6c1c8b35057b6d54f561746c6721889c24cb348befd60b75fca6eca
Manifestbed1a76a896d43f7dc1c9a6be99de37f0b155c61d8a6aa10e86b8c4709bc4c76

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
Signaturen3jgoJmSu7Hiy8l412jgo1Q9VGiRb6wb7fCB7Yj/X38ZXYH9rFG/WxX4Knw6WhQN3cu/2roh0Ko5z293DtsnAg==
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

2026-09-17T09:21:58.308700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103967
observed 76d2ec6de6c1c8b35057b6d54f561746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.290587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103967/manifest.json
observed bed1a76a896d43f7dc1c9a6be99de37f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.273435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103967/publication.md
observed 72a06bbc5a405582670014139ef23dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.257289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103967/publication.txt
observed 9f76ae4c2a534a4694cc128efffe279f...
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.