OpenTechnical

OT-2026-000077723

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000077723) never changes.

Identity and time

Publication numberOT-2026-000077723 · never reused
Internal UUID01a0ae95-2ecf-7e4f-93fe-19933dddaf15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077723
StatusPUBLIC

Content hashes

Canonical text72c41958d90ceac842f9528457709cee8a2b50fb77bc524ad4841bc4787f083a
Markdown0aa4353b27d46a1bdac1c477805c7596bff7870bea63bc69b6b811e928e609a5
PDF
Publication page1cce97c3e2d7987363cf224367fdb21508993ccd1b4e46fe4c397b64242e9b3f
Manifestad263298b1a2b8c4e54b76ff80378eadf670c43a4d17a53cb9700c2314dea83d

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
SignaturefXaABP+Eu6F3rOWH7ypbMudEsTCMIYmV68vXh1HME4dvMLdYXunTeEN3Usbina5VXktTdPipkbI5WfOih3Q/Dw==
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

2026-09-17T10:07:17.994194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077723
observed 1cce97c3e2d7987363cf224367fdb215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.975054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077723/manifest.json
observed ad263298b1a2b8c4e54b76ff80378ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.955204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077723/publication.md
observed 0aa4353b27d46a1bdac1c477805c7596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.933967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077723/publication.txt
observed 72c41958d90ceac842f9528457709cee...
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.