OpenTechnical

OT-2026-000066210

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000066210) never changes.

Identity and time

Publication numberOT-2026-000066210 · never reused
Internal UUID01a0ae8e-8dc3-70dd-a8c4-9d576c02f358 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066210
StatusPUBLIC

Content hashes

Canonical texta1a5114c37050cdf537492e432f6396f6ec30db19a77d89fb0872a8ba7b4cd13
Markdown4abbc26752ec2be884f1cf047c15b4ca30c176e41735ac9ffdefcc87bc5e2df1
PDF
Publication page6b420af6a1590ce3e0e610d3b3a1b704921efd5413803c597d1c2a16a00442c3
Manifest2e8fbbfd30fb1275511657fe11f475a4b172dbb5fc01dbc83bb580bce326e675

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
SignatureRizhQvAn4SqPCe9mVZ1NUMuoct/FaMdY358CP8cOucIBIYso5mpI0e7AElv438sX6HokrbYUzA6J9pP260O4BA==
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

2026-09-17T20:44:15.703297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066210
observed 6b420af6a1590ce3e0e610d3b3a1b704...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:15.518380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066210/manifest.json
observed 2e8fbbfd30fb1275511657fe11f475a4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:15.331701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066210/publication.md
observed 4abbc26752ec2be884f1cf047c15b4ca...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:15.157587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066210/publication.txt
observed a1a5114c37050cdf537492e432f6396f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.213087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066210
observed 6b420af6a1590ce3e0e610d3b3a1b704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.196875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066210/manifest.json
observed 2e8fbbfd30fb1275511657fe11f475a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.179050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066210/publication.md
observed 4abbc26752ec2be884f1cf047c15b4ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.160948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066210/publication.txt
observed a1a5114c37050cdf537492e432f6396f...
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.