OpenTechnical

OT-2026-000064435

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000064435) never changes.

Identity and time

Publication numberOT-2026-000064435 · never reused
Internal UUID01a0ae8d-a461-7419-a1fa-03274ff09cd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064435
StatusPUBLIC

Content hashes

Canonical text3beb43c98f9885324d0891624b8b3123a1dd3a3609cf2ab6c657ce80b7550fec
Markdown735c7ed5b3b75aa5494937c99c900c94e30b6134a601b98d59efaf542696ff55
PDF
Publication page3b886fa5882f90a343cfd39866636b5a802067579802751496add22693bceeeb
Manifest7ea0ff41c63e0337375f73f3d6296a4dc16fb681fcd3fb1b5cce1410901bf554

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
SignatureUD2HEGxN+ga2ySbF4q9ePjd4z2bhsndiem1+xV8qMSaEc3K1roB3pmetnsWO7QVImhQWfMaP41YY/9ivyCFuAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:37.187293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064435
observed 3b886fa5882f90a343cfd39866636b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.169018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064435/manifest.json
observed 7ea0ff41c63e0337375f73f3d6296a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.150066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064435/publication.md
observed 735c7ed5b3b75aa5494937c99c900c94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.131784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064435/publication.txt
observed 3beb43c98f9885324d0891624b8b3123...
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.