OpenTechnical

OT-2026-000086477

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000086477) never changes.

Identity and time

Publication numberOT-2026-000086477 · never reused
Internal UUID01a0ae9a-2c97-7511-a697-c7bafe62351b · 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-2026-000086477
StatusPUBLIC

Content hashes

Canonical text97ad1b68ec2dbc5bbd5c951ec8e02c9349ce79ec5c030695d88582e401344deb
Markdowncbfa0b235510ab51db9225a259b14e8b8582810be795d8d4718cc123ec9807a0
PDF
Publication pageacdcdc433160a880af9145035e85824917ae8b05fff79e1cabffd3a1796b6416
Manifestda8132cabddd1e22892ac6f6b9193e1f1edfdc4f6bf5c7eb9ce11cf79bddf434

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
SignatureItAp6SxoHJjVNEWUvWUDUcsTJum9k3LG2+dM/rDKp0Ik1RIiFNayVeAoCXgRc02ufqCVYWS6EpyL/UED9bAMAQ==
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

2026-09-17T09:52:17.225614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086477
observed acdcdc433160a880af9145035e858249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.207543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086477/manifest.json
observed da8132cabddd1e22892ac6f6b9193e1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.188940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086477/publication.md
observed cbfa0b235510ab51db9225a259b14e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.171435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086477/publication.txt
observed 97ad1b68ec2dbc5bbd5c951ec8e02c93...
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.