OpenTechnical

OT-2026-000009816

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, sustained blow-off after 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-2026-000009816) never changes.

Identity and time

Publication numberOT-2026-000009816 · never reused
Internal UUID01a0ae6b-cb78-743a-a388-e2614948e99c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009816
StatusPUBLIC

Content hashes

Canonical text72aa55fde9fa588e6e77c9341b6fc19f5b369da0ff6a61c2870ca31fa1326bc7
Markdownb1c5e4f2354e86cec39dc827c9ca2b074550e28d7e3ba14b992ae6dc1ab1127f
PDF
Publication pagefcaad606b15375c75414240e1ac96e4da0fdb6c9abb4be710b34bf542d09d423
Manifest908cb1dc99a7a2f1b20bd94b10a1a9b0a94c247fd4101cc7be2f26872c9b0539

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
SignatureH/wVJrdFF7nGpDUfhXIcxpDpUoZwHIGKrVQEillqQn+m2PuQ0+zvUltg2CmX4AGlkhUQ0h8JqZJ5hMTpr8A6Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:48.279396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009816
observed fcaad606b15375c75414240e1ac96e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:48.259650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009816/manifest.json
observed 908cb1dc99a7a2f1b20bd94b10a1a9b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:48.239614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009816/publication.md
observed b1c5e4f2354e86cec39dc827c9ca2b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:48.219091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009816/publication.txt
observed 72aa55fde9fa588e6e77c9341b6fc19f...
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.