OpenTechnical

OT-2026-000099837

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, sustained 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-2026-000099837) never changes.

Identity and time

Publication numberOT-2026-000099837 · never reused
Internal UUID01a0aea3-1473-70d0-b818-ea2090c3354e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099837
StatusPUBLIC

Content hashes

Canonical text0df1de7aea90679fc4193feff0c807796df8870e7f402a6d252fbc3c6e5d487b
Markdown2fdce8c12ee76555c39f71419f46a2f1dcfb9fd4bc9039d68b6e9c8e09c6bb93
PDF
Publication page351e9da43aa1e740a975ab2e7f2121edb974fac7a0e532cca0bb82154b4f3ce8
Manifest35582ccde4a3900ac2ee08e0ca264e28ddd8b6733b82b6a285ae1a69cbc02b33

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
SignatureIsGYJaYrqnF6fT8Ws4pQFXFRDMtJpmUDq+inhD3NyPT/Ftu5Zgk0Riuv+W2hvh8TgNH2tADt9CjJRECiq83SCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:20.265722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099837
observed 351e9da43aa1e740a975ab2e7f2121ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.245420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099837/manifest.json
observed 35582ccde4a3900ac2ee08e0ca264e28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.227192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099837/publication.md
observed 2fdce8c12ee76555c39f71419f46a2f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.207910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099837/publication.txt
observed 0df1de7aea90679fc4193feff0c80779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.363101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099837
observed 351e9da43aa1e740a975ab2e7f2121ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.344979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099837/manifest.json
observed 35582ccde4a3900ac2ee08e0ca264e28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.327056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099837/publication.md
observed 2fdce8c12ee76555c39f71419f46a2f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.310886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099837/publication.txt
observed 0df1de7aea90679fc4193feff0c80779...
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.