OpenTechnical

OT-2026-000077684

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000077684) never changes.

Identity and time

Publication numberOT-2026-000077684 · never reused
Internal UUID01a0ae95-2ecf-7817-96d9-20acccc5b632 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077684
StatusPUBLIC

Content hashes

Canonical textc06f280a00d9b05c562ac4d68871d290fe0fa89604b50c27c47c351cc2e724cb
Markdown1928c9c483b8d196f4780286b7fcf9aee7431285260d4c130fad6da422bd5163
PDF
Publication page44f2b99302ba6566bd470b00a11a665f6d9e0517311d7f8a0fe4edb17ab2251f
Manifesta6b2aa8fa79205df72ba7376b4ce601dd084b4213f6d21fbeb32c78bc8e4589d

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
SignatureQ33Zvg7Ugf4btxPjKP7/U61hrAVlHcwJ7/nTtLTJcl17W1KV8TIbjdQ6ISc8KZjkEi/JM4XoT3FpwoTaxRdZDA==
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

2026-09-17T10:06:55.438133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077684
observed 44f2b99302ba6566bd470b00a11a665f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.418207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077684/manifest.json
observed a6b2aa8fa79205df72ba7376b4ce601d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.399487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077684/publication.md
observed 1928c9c483b8d196f4780286b7fcf9ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.381325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077684/publication.txt
observed c06f280a00d9b05c562ac4d68871d290...
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.