OpenTechnical

OT-2026-000091096

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000091096) never changes.

Identity and time

Publication numberOT-2026-000091096 · never reused
Internal UUID01a0ae9c-f16b-786b-87ab-445ab1e3e0db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091096
StatusPUBLIC

Content hashes

Canonical text329df304d2985cda7696cd8a77b4adcfe8b2eb15a18af1908eb1d261a7afc113
Markdown32d3363a5cc43d81d66ae36761ff7b93796c2b7d08df302090a97b2da4fa8f95
PDF
Publication pagecd019529339d4471004b2148267ebe1b0a289d82667ea10ee8a537edcaae14b5
Manifestb2e1715c5c6377f03e243cfacd65e4593447d8d5a64ca7903972736226bdce0e

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
SignatureF/rgWQKHkEVWCJExkWQ0Q1VG7Z4LZG13fG5pJeUAqz+/GeoZjvj8+ACJc1HFzkuvGB6AeyE99hAnrCbD9Z69CA==
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

2026-09-17T09:43:14.710054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091096
observed cd019529339d4471004b2148267ebe1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.692857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091096/manifest.json
observed b2e1715c5c6377f03e243cfacd65e459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.674111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091096/publication.md
observed 32d3363a5cc43d81d66ae36761ff7b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.657756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091096/publication.txt
observed 329df304d2985cda7696cd8a77b4adcf...
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.