OpenTechnical

OT-2026-000099898

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, sustained 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-2026-000099898) never changes.

Identity and time

Publication numberOT-2026-000099898 · never reused
Internal UUID01a0aea3-1473-7a7d-8886-fc31c368970d · 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-2026-000099898
StatusPUBLIC

Content hashes

Canonical text6358d7a5e626b233d385c23ebcf68b923e859573c2654524ec0acfa8a3132686
Markdowne22cfff958f5af8890f543a7619c97bc9162acf9f04d89b73a8d550f3adcd0e0
PDF
Publication page993a28d027cf38208bcb854431a9f6ee1fbbeb85e8d1bbc584202dad09a1b7bb
Manifest3ea6e544f4602b00b16555c66d72f179ee8fffd50609bc31488327f0d440a2cc

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
Signaturetd5f5LETaBJ19d1yas5TwiagKL9XqyMvqCwGwKRC1lUHEwgA9/VVrKPj1G2ZnXQZnh/50Hdlj+CucuzvnFrWCA==
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

2026-09-17T09:30:31.966974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099898
observed 993a28d027cf38208bcb854431a9f6ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.950562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099898/manifest.json
observed 3ea6e544f4602b00b16555c66d72f179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.932800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099898/publication.md
observed e22cfff958f5af8890f543a7619c97bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.911801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099898/publication.txt
observed 6358d7a5e626b233d385c23ebcf68b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.655481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099898
observed 993a28d027cf38208bcb854431a9f6ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.638085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099898/manifest.json
observed 3ea6e544f4602b00b16555c66d72f179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.620097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099898/publication.md
observed e22cfff958f5af8890f543a7619c97bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.602451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099898/publication.txt
observed 6358d7a5e626b233d385c23ebcf68b92...
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.