OpenTechnical

OT-2026-000088928

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000088928) never changes.

Identity and time

Publication numberOT-2026-000088928 · never reused
Internal UUID01a0ae9b-8f11-7ffa-b4ab-a4611e32f799 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088928
StatusPUBLIC

Content hashes

Canonical text05f49e51843308742eb60ed4363cbcd88aa61659f1436630db029d108b9a1f85
Markdowncc789b6459131a3ccfb34d7ea67915560039d50bfdc268ff40779d4c3c34e07c
PDF
Publication pageee4f99b83700756758c03827bdd91c1b16687670502baef8b6b6c52b6d902f3c
Manifestb82c6882ca5413b6fcb0eb83168bcd8f5757b7c6766a82649f68abd793698418

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
Signature6ISQ9x8MvmSS1Qm1K0UKbJKNGrnESE+Mbgx0MPWYVKh/+q3OaVUBHys6dmUOBY5f1lbJ5f6ceF8V9ytk6pj3DQ==
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

2026-09-17T09:48:20.170358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088928
observed ee4f99b83700756758c03827bdd91c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.153120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088928/manifest.json
observed b82c6882ca5413b6fcb0eb83168bcd8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.134939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088928/publication.md
observed cc789b6459131a3ccfb34d7ea6791556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.116065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088928/publication.txt
observed 05f49e51843308742eb60ed4363cbcd8...
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.