OpenTechnical

OT-2026-000067462

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000067462) never changes.

Identity and time

Publication numberOT-2026-000067462 · never reused
Internal UUID01a0ae8f-6bd9-7e29-bc15-576ee8c65bec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067462
StatusPUBLIC

Content hashes

Canonical textf97581551a02d37d75c74e34cb1cd6ad4b46e8085037cdaf5e7306dec0576dc9
Markdowne8636d2e4b77f4b07c6bda9d710e2495830739f1beea3979697537d9fdd501e4
PDF
Publication pagec8883f9eaa331472e360e7205d6fe19c78d572f4ea0e6567f4f68f8b3aa40c87
Manifest49e55a9793eb4abdc3061abbd787574c25fdba02dd180eaa3896d60b347e6c57

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
SignatureZxQJKIUMAh97rUMDEKuUEEfeDBMXI5Opo7ORR4WL4M7bkw6Xki8bemWgM4EBDu5YKzrfzvVd46YhhWLuJDgvDQ==
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

2026-09-17T10:31:40.171606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067462
observed c8883f9eaa331472e360e7205d6fe19c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.155110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067462/manifest.json
observed 49e55a9793eb4abdc3061abbd787574c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.138150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067462/publication.md
observed e8636d2e4b77f4b07c6bda9d710e2495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.122329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067462/publication.txt
observed f97581551a02d37d75c74e34cb1cd6ad...
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.