OpenTechnical

OT-2026-000100572

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000100572) never changes.

Identity and time

Publication numberOT-2026-000100572 · never reused
Internal UUID01a0aea3-66f2-79ea-8a3c-1e26674ba8da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100572
StatusPUBLIC

Content hashes

Canonical text0a009e75796e9bf91fae3f6a1b340ac59cd984d8629089994a9180c882971e38
Markdownd2ab6fee8f3fa0d2033d345681af7eec13ff89024782ad9cac26db76308e9cc3
PDF
Publication page2bdaa9aaaccb850110ec7f0a478c2899a1997786c5e5cdac0721ab8324e180fd
Manifest3ec079328aeb2239ac6212a0861d706fa667123192fc3e44580b9342c5c4ca86

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
Signatureci0elytNDWM0yURLU6AcpShNyegOKOQwE+cWKTcySV5cPYOl5iUE7AApTywWZCzsCE0NzFP7Gjy3O6GFcx/2Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:21.267515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100572
observed 2bdaa9aaaccb850110ec7f0a478c2899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.249141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100572/manifest.json
observed 3ec079328aeb2239ac6212a0861d706f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.227916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100572/publication.md
observed d2ab6fee8f3fa0d2033d345681af7eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.203922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100572/publication.txt
observed 0a009e75796e9bf91fae3f6a1b340ac5...
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.