OpenTechnical

OT-2026-000069456

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000069456) never changes.

Identity and time

Publication numberOT-2026-000069456 · never reused
Internal UUID01a0ae90-b52a-7bfd-9528-c20dbed531a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069456
StatusPUBLIC

Content hashes

Canonical textddfadcd5ee6e94637f892724d4896564dc0da9e98fa403926c61a32fcc198e62
Markdown1122306cf0cc2f2027b9d7bdfb4b7e8932286bbaa79a41cc5bbea233d22e67fd
PDF
Publication page11bae423e7e6846299e9cc6a716d0833d1f9807313cc9236291194ee390eb814
Manifest7c00b2995f71cabce21a0a76d26e84df553a0b44bd089bc4c19c22c178ee732a

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
SignatureN9slG+tmDT9Mi6rurE877GuyxLJCOHRwwVo+wdhuzOGzf9nkzUoVelIrQRCz7GzmoINzQLjYIDJmcEgth1O+Cg==
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

2026-09-17T10:30:31.645444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069456
observed 11bae423e7e6846299e9cc6a716d0833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.627938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069456/manifest.json
observed 7c00b2995f71cabce21a0a76d26e84df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.609292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069456/publication.md
observed 1122306cf0cc2f2027b9d7bdfb4b7e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.563130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069456/publication.txt
observed ddfadcd5ee6e94637f892724d4896564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.475451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069456
observed 11bae423e7e6846299e9cc6a716d0833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.458858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069456/manifest.json
observed 7c00b2995f71cabce21a0a76d26e84df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.441819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069456/publication.md
observed 1122306cf0cc2f2027b9d7bdfb4b7e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.424670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069456/publication.txt
observed ddfadcd5ee6e94637f892724d4896564...
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.