OpenTechnical

OT-2026-000087580

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, sustained 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-2026-000087580) never changes.

Identity and time

Publication numberOT-2026-000087580 · never reused
Internal UUID01a0ae9a-cd52-76c8-ba57-8470d2198e33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087580
StatusPUBLIC

Content hashes

Canonical textf0ded46e0ae37843d1f24dab84c1edd8a22a4e2539db45b18177e9001e11f3c0
Markdown8a7b45128b12f9fe047c80e4d43e1098065988fb34ebcfb0e2fac9e26ead7358
PDF
Publication page419fe8ad1ac89058905159aed788f5089b8038ab6c72f26c6bb6144363b8aebe
Manifestf08b6bf8674efbc1106488189972abbf91e6bb0c942bebdf3f84b238e7d7a4b3

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
Signature7Pd7g7FZ9+85jfoMqmdrpYRp2aKfn5/gBu+5DoJCn1zZsevlnHStZIqn8Rl4fkB1+0QQhlITdb00LjS4pOXfBw==
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

2026-09-17T09:50:55.641752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087580
observed 419fe8ad1ac89058905159aed788f508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.627562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087580/manifest.json
observed f08b6bf8674efbc1106488189972abbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.612155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087580/publication.md
observed 8a7b45128b12f9fe047c80e4d43e1098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.596223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087580/publication.txt
observed f0ded46e0ae37843d1f24dab84c1edd8...
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.