OpenTechnical

OT-2026-000030763

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed 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-2026-000030763) never changes.

Identity and time

Publication numberOT-2026-000030763 · never reused
Internal UUID01a0ae74-3fb4-7e93-a5d1-f25befedfec0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030763
StatusPUBLIC

Content hashes

Canonical text94c173785d3dd576d86365b555bb65363a14b8836c13fc64cd174074fb2f3984
Markdown2d6473230d219bfc2109229fb97e07c6606c0cbaaf25d50c3c02ccc43e9d00fd
PDF
Publication pagea2de209112f43094879a1db9da8218857419010de3d258e264c38f61e9cc124c
Manifestf61edd434c772c2fd75f179ba61892744d3ca88a914da350f91a85bd3d1b651a

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
SignatureuQTvBNllnNBLlnRYJTSagczPKYSBm6jAuxawWXlPypz1Qp5Cc/yepo2EN/snIhSteL9tvYuUamdZDGqcFD4rCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:42.936897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030763
observed a2de209112f43094879a1db9da821885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.918938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030763/manifest.json
observed f61edd434c772c2fd75f179ba6189274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.901555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030763/publication.md
observed 2d6473230d219bfc2109229fb97e07c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.884704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030763/publication.txt
observed 94c173785d3dd576d86365b555bb6536...
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.