OpenTechnical

OT-2026-000046951

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000046951) never changes.

Identity and time

Publication numberOT-2026-000046951 · never reused
Internal UUID01a0ae7e-d0f6-7f07-bcae-1ad94bc7a177 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046951
StatusPUBLIC

Content hashes

Canonical text869494126e60371a2895b2fb0848a6cf460b0f6c63140c35b2af7d8f767e1bc3
Markdown1e01e4bd0113fd6edebb910c7daafe170769d0e0aaad367a0808007dcc86e38b
PDF
Publication page21dc2ff06fe72542065eef8a29b0491092f63b822274abe277361bca370082b7
Manifest2bea450b4443ec5532759af0c9cc9eb34486c2d4a31f4c7ed68be1729fe48cc3

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
SignatureSAv1Blr1yz9/a9U/5y2jprpom4mncvbO8qR5Kios8qd7QvznluA9MbVmKHmt3GTfdevfP9mrYZ8Pr/Og3N+uAQ==
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

2026-09-17T11:10:06.904093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046951
observed 21dc2ff06fe72542065eef8a29b04910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.884734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046951/manifest.json
observed 2bea450b4443ec5532759af0c9cc9eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.861627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046951/publication.md
observed 1e01e4bd0113fd6edebb910c7daafe17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.843397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046951/publication.txt
observed 869494126e60371a2895b2fb0848a6cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:40.988609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046951
observed 21dc2ff06fe72542065eef8a29b04910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:40.971525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046951/manifest.json
observed 2bea450b4443ec5532759af0c9cc9eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:40.951622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046951/publication.md
observed 1e01e4bd0113fd6edebb910c7daafe17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:40.932837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046951/publication.txt
observed 869494126e60371a2895b2fb0848a6cf...
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.