OpenTechnical

OT-2026-000050991

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000050991) never changes.

Identity and time

Publication numberOT-2026-000050991 · never reused
Internal UUID01a0ae82-c7b4-7e6b-b55e-e2285c694e8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050991
StatusPUBLIC

Content hashes

Canonical text6b6da56717fb495d870de7ecb3661c065a5fe9763c635ad4f14e37f17b0ac2d3
Markdown151d049462398582806e3bebd52aa3743d62030c5e8bc38fb90da5e596653c7a
PDF
Publication page751e2861c1e876dfd2a849caae857bf1bc3112b7bf1f9bb8132e49e9be538f0f
Manifest9eb1bb8c4200d8b931f637a036bf144ef6a26dd16b6645ff88318a03d46ae01c

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
Signature74sYIjb80qI3P1/TSU7LxZ9gWlCLEwh8TdSyLX2sSfz6n1Bi4cgDYs1xMof3gsn2XnDf1BzTKLQSmQ1YnWGGBg==
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

2026-09-17T11:00:53.196633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050991
observed 751e2861c1e876dfd2a849caae857bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.179767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050991/manifest.json
observed 9eb1bb8c4200d8b931f637a036bf144e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.162198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050991/publication.md
observed 151d049462398582806e3bebd52aa374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.143838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050991/publication.txt
observed 6b6da56717fb495d870de7ecb3661c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.138794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050991
observed 751e2861c1e876dfd2a849caae857bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.121703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050991/manifest.json
observed 9eb1bb8c4200d8b931f637a036bf144e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.104380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050991/publication.md
observed 151d049462398582806e3bebd52aa374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.085816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050991/publication.txt
observed 6b6da56717fb495d870de7ecb3661c06...
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.