OpenTechnical

OT-2026-000066299

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000066299) never changes.

Identity and time

Publication numberOT-2026-000066299 · never reused
Internal UUID01a0ae8e-8dc4-7033-80f9-ef5192d38ab2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066299
StatusPUBLIC

Content hashes

Canonical text909ebf8c78ccb2b55c666be1d73e7e7ca7dec10c8ecef4e50536af1079f4491b
Markdown6b3f15e75551e65d18a936314aedf7967a0d314d15e26116959e15788c6bf59d
PDF
Publication pagefaff67b5c2ed50b02f1de7f0d58846c71805164ecbd04b1cebc837f31f6a4cd4
Manifest9dfb0828f68440870a744fef6059800aad8f32e1ea0bb253649f91a1f5f60484

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
SignatureA/pp80Yag+HlGyir93yTe3neTDSx7R/OeitvR/adM1hqg9RhH1V5B0x0W13ImcFTPxyXQNravAyGrmCgIb7EDA==
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

2026-09-17T10:33:28.953394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066299
observed faff67b5c2ed50b02f1de7f0d58846c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:28.935316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066299/manifest.json
observed 9dfb0828f68440870a744fef6059800a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:28.916826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066299/publication.md
observed 6b3f15e75551e65d18a936314aedf796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:28.890184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066299/publication.txt
observed 909ebf8c78ccb2b55c666be1d73e7e7c...
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.