OpenTechnical

OT-2026-000092102

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000092102) never changes.

Identity and time

Publication numberOT-2026-000092102 · never reused
Internal UUID01a0ae9d-8759-7c0b-a785-804cf31a0d6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092102
StatusPUBLIC

Content hashes

Canonical textb1987830926bbc787196db3e3d25838909db631db7c809c4e12a3d8bb4b21ff8
Markdownd759f8e15d662befb28b019d51dd812ad1b010af74f21f3814ca07bf81f783fa
PDF
Publication page4fc59fd814ec41aab3c845f88b25c404cd01b18a2bda1fad63f1ec052c0f5c23
Manifest33c68f6d51218e2c1553d39453000f29e5150fced0af875e94da83c6adc5f61b

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
SignatureateE1lgfMcTFJron+c3u/pYYIW2HpQty7TA/HDh6DuaoWH+UfeD3kJH+kFoUrmfqOlkFYXWAeU7Qb313X7yNAA==
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

2026-09-17T09:41:33.812423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092102
observed 4fc59fd814ec41aab3c845f88b25c404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.794858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092102/manifest.json
observed 33c68f6d51218e2c1553d39453000f29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.777938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092102/publication.md
observed d759f8e15d662befb28b019d51dd812a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.758927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092102/publication.txt
observed b1987830926bbc787196db3e3d258389...
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.