OpenTechnical

OT-2026-000089874

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089874) never changes.

Identity and time

Publication numberOT-2026-000089874 · never reused
Internal UUID01a0ae9c-428d-7b83-a3b5-0753a7e06625 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089874
StatusPUBLIC

Content hashes

Canonical text6fce25edfdda0c60b663ecbc397e412cfdf3b0a8fd96d38f1414e6caf7d490e0
Markdown054e9f14c13b53a55272c0d3b28fd7cd8bd5cac99e035df96e307e7f22055d5b
PDF
Publication page3c7668294b5b86da375a6300917298d9e54749293461c2a3b14717cce144a9ef
Manifest06bdc43c273cd657cbb48d0590bf124b0d50920d23c549779f8bb0c8b7917bff

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
Signatureg/POax4Y0YtisDLrP+1G129hoxhgpFjgy0L4TUaDd72BwklUiagnc3X9FlGg3aZIM5nNxEhcrNQm7aO8uv/cCA==
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

2026-09-17T09:45:07.807546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089874
observed 3c7668294b5b86da375a6300917298d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.787399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089874/manifest.json
observed 06bdc43c273cd657cbb48d0590bf124b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.763789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089874/publication.md
observed 054e9f14c13b53a55272c0d3b28fd7cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.744974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089874/publication.txt
observed 6fce25edfdda0c60b663ecbc397e412c...
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.