OpenTechnical

OT-2026-000088581

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000088581) never changes.

Identity and time

Publication numberOT-2026-000088581 · never reused
Internal UUID01a0ae9b-8f0f-7744-b738-d4f824b4f4d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088581
StatusPUBLIC

Content hashes

Canonical textab294422870c20f1af155ec6e30d1fe0c0f38f93db612ad8c2b4c8d6a41a2f23
Markdown91e646a4640d2f1f44da435f9ffd74bb6d60a59ed51c9d1b1dfd88d21473e6bc
PDF
Publication pagebf7ccedd8b9f0d758ef8db62c5170eac22a6a23d75ad2936066aad2ca40ce4f5
Manifestf0728c553b3557220abfdaf36ebcca2093b4cec0f9b76da4030d8a6f0f95c844

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
Signature3l2dPL1jR0/JTCzltvyofhHRjuAdJwAfU8N6YAuzeXXp0lLo/Tx43eOlLAICImuC1uuMi5eVqYFOYM7L2/ZRBA==
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

2026-09-17T09:47:46.373218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088581
observed bf7ccedd8b9f0d758ef8db62c5170eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:46.354978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088581/manifest.json
observed f0728c553b3557220abfdaf36ebcca20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:46.334767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088581/publication.md
observed 91e646a4640d2f1f44da435f9ffd74bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:46.314319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088581/publication.txt
observed ab294422870c20f1af155ec6e30d1fe0...
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.