OpenTechnical

OT-2026-000087434

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000087434) never changes.

Identity and time

Publication numberOT-2026-000087434 · never reused
Internal UUID01a0ae9a-cd50-7435-9cbb-d6d2d6c4b160 · 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-2026-000087434
StatusPUBLIC

Content hashes

Canonical text863190e760c8d2c1741d304620b955b3a907191ed16e46ae6e0474d27beb43ed
Markdown35df4c662d6812f88ed0b72ecd7bbf48a3079d1b1015d3e3c1071fad9b7c7709
PDF
Publication pagefaa680ac221aed5be4a3c975a0613c468159502677c4a6c1c308fcc096007ea5
Manifestf828c3f2330d3df789abf07b9c568c821e5a28b103316e0b34430955b2c0c040

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
SignatureKa5hytklYM8isYEUNiJz+7FViYNxR1b3O76KMMfESgK+I0+qVVSTDjWS8gKkdbszvkrpG6BiR21INh8m7xaxAg==
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

2026-09-17T09:50:45.378813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087434
observed faa680ac221aed5be4a3c975a0613c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.361119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087434/manifest.json
observed f828c3f2330d3df789abf07b9c568c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.343894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087434/publication.md
observed 35df4c662d6812f88ed0b72ecd7bbf48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.326983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087434/publication.txt
observed 863190e760c8d2c1741d304620b955b3...
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.