OpenTechnical

OT-2026-000084704

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000084704) never changes.

Identity and time

Publication numberOT-2026-000084704 · never reused
Internal UUID01a0ae98-e25d-7aa2-bf4a-91f18259bb00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084704
StatusPUBLIC

Content hashes

Canonical text5eb4945f16fdec2214daf29b583a59bd08587a40dfb51a21f5ae098a07115553
Markdowna093fd290a758e70e3a3e2631fad68ef654b83fa111bfa4a16ed002e90bd3783
PDF
Publication page852c8aa17533e2b45cdc57a06d4c5b68989674da70d7962dba031205cd57b1c8
Manifestf1e83dc1e825166994666b5317669ea00597490805e3cb4007e3521d7dbdf064

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
Signaturej9Zk/AXEQcQ5bSwgJJt6sqU47NI9hyCP50lBVd9yXZZ/sCa6pO/rFb3g8ntXHPpOQY5Acsdqg733XE/F989XDg==
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

2026-09-17T09:55:38.313342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084704
observed 852c8aa17533e2b45cdc57a06d4c5b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:38.296910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084704/manifest.json
observed f1e83dc1e825166994666b5317669ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:38.278641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084704/publication.md
observed a093fd290a758e70e3a3e2631fad68ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:38.260050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084704/publication.txt
observed 5eb4945f16fdec2214daf29b583a59bd...
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.