OpenTechnical

OT-2026-000070300

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000070300) never changes.

Identity and time

Publication numberOT-2026-000070300 · never reused
Internal UUID01a0ae91-545e-78bc-ad28-24181d442afd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070300
StatusPUBLIC

Content hashes

Canonical text46b6624d3ea954e35bf2e553d4096a627fb67b9ca90a6136a4956539031b663e
Markdown28a6e0dee450e6c2a92f60475548c91963aedbf55e11821d058677dc47b9ffe4
PDF
Publication pagea48a6e06ccdae8b0e1e52c091f2fcb49b4baddc3ff5ba2bef4c08124dae15167
Manifestd7e3910f893534609327e11d744f9026bf3fda41386a6363a57633a40417f360

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
SignatureFXW4wKVZTnrAN8eetpXrgFgrCBXE22l2Qn737rldGjDm1WE0YYOxn7+5Gz9KFLM3ug7wus0SP1kv2NvtBA7CCg==
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

2026-09-17T10:26:05.194674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070300
observed a48a6e06ccdae8b0e1e52c091f2fcb49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.178823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070300/manifest.json
observed d7e3910f893534609327e11d744f9026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.163306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070300/publication.md
observed 28a6e0dee450e6c2a92f60475548c919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.146734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070300/publication.txt
observed 46b6624d3ea954e35bf2e553d4096a62...
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.