OpenTechnical

OT-2026-000086476

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000086476) never changes.

Identity and time

Publication numberOT-2026-000086476 · never reused
Internal UUID01a0ae9a-2c97-74fd-9468-113e2df53459 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086476
StatusPUBLIC

Content hashes

Canonical text87141572c6cd646395d0b1c93b06a1b1345112de00d5f97c146d6a654fb26a29
Markdown37e0bd1bb614b16d38a46afbb0ac156a2923e70378ea6d894e0966a1a8d96fc6
PDF
Publication pagef17c2d9bee1167cab010ba435bca0d467c8b366e729a42483882bd85c9992fa8
Manifest0ad3e39c694252fe31968fc5d626cbd9f071b49af8b89dd7fef8df360c07eedc

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
SignatureAuootOZ8sAxAsv+teI4UCzIePPzvuUaaIPFySrm8igr75aJT3ZLYLXgC5/wBMjuq3eOuX3XrlsY970TFhRpRCA==
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

2026-09-17T09:52:17.148704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086476
observed f17c2d9bee1167cab010ba435bca0d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.130445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086476/manifest.json
observed 0ad3e39c694252fe31968fc5d626cbd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.112120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086476/publication.md
observed 37e0bd1bb614b16d38a46afbb0ac156a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.094338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086476/publication.txt
observed 87141572c6cd646395d0b1c93b06a1b1...
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.