OpenTechnical

OT-2026-000030324

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000030324) never changes.

Identity and time

Publication numberOT-2026-000030324 · never reused
Internal UUID01a0ae73-e501-7553-bd4a-572b81e4e73f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030324
StatusPUBLIC

Content hashes

Canonical text1ff82a12dcc061e3c94340a36f6d19d9cea749b3cc1ab04a3bf25eed12fbbbe3
Markdown0a7914fe91444f3a5f572c3a8e9efb48a9993b47941362af8162f885daa1739c
PDF
Publication page6ba9577c31d33792a84f288fc26f3b5f72c9a6066534d001664d0da7f0d7c053
Manifest066ded9cab02c99d2a774aedef62ed3b0ce9c9993d721b73c3f49c270bf74a56

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
SignatureDkBPUWjP7aQS8cZKvzkaAOix+3ZnWLjWQlmGZulTJ7MRoHhz+TVsyxZc5raYiMCEDCtI2TOEBHf2mFiaPM3GBQ==
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

2026-09-17T11:38:01.927992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030324
observed 6ba9577c31d33792a84f288fc26f3b5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.909469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030324/manifest.json
observed 066ded9cab02c99d2a774aedef62ed3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.890739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030324/publication.md
observed 0a7914fe91444f3a5f572c3a8e9efb48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.871909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030324/publication.txt
observed 1ff82a12dcc061e3c94340a36f6d19d9...
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.