OpenTechnical

OT-2026-000068441

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000068441) never changes.

Identity and time

Publication numberOT-2026-000068441 · never reused
Internal UUID01a0ae90-2481-7425-aeeb-7eaa10de26fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068441
StatusPUBLIC

Content hashes

Canonical textab97e91a81401080666f909e1ea24853b04761fcbac2576e8d660bb840271e07
Markdown8b2b27ea21e507aeb9d228a1ee6044f7173efb7a662f237b19d24aad154d54bf
PDF
Publication pageed1f3a971864440bc1c774335c521ce50a182406820ffa33eb3d316906df7cf3
Manifesta81ba323f2b712f98102cecd72255f34459c162229d5c7bc61193936eb7e0a9d

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
SignatureoDWm2ONqZJLiUbVjg5tIUloD4BX4LbtD+2/30RBKN5yreylNEx4ai2eLC3JaFTB2UMYQjeUUcVBeTrAmhV+2AQ==
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

2026-09-17T10:29:35.225137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068441
observed ed1f3a971864440bc1c774335c521ce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.207364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068441/manifest.json
observed a81ba323f2b712f98102cecd72255f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.187333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068441/publication.md
observed 8b2b27ea21e507aeb9d228a1ee6044f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.169395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068441/publication.txt
observed ab97e91a81401080666f909e1ea24853...
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.