OpenTechnical

OT-2026-000010502

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000010502) never changes.

Identity and time

Publication numberOT-2026-000010502 · never reused
Internal UUID01a0ae6c-0ee7-79f4-8d26-9fdfb332268e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010502
StatusPUBLIC

Content hashes

Canonical textae5b75302000d62b74a9106987957e70c6671a68e74211cb1a4f505351173ba7
Markdown3cf386ee8e103371656093db54fe74914c011bfad172b12fa4be366e0547b868
PDF
Publication page25fbcc5fdb6ef2494182ea4677bb8949ee94b90b79a7dd274b89932620cccf9f
Manifest050d9f29b8db8d5deceb552eaf073c5f9ad4bf6e6112fd82cf6a05625b56976b

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
SignaturefpqF1ZHwnmXzLHE1lapFdTzpJVBViqA7aGlqsS8qtZQEIBqqwZosYnpx6pGZkyWmlUPQNwM4/q65qdyvc9vaAg==
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

2026-09-17T12:14:39.370551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010502
observed 25fbcc5fdb6ef2494182ea4677bb8949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.350359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010502/manifest.json
observed 050d9f29b8db8d5deceb552eaf073c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.332501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010502/publication.md
observed 3cf386ee8e103371656093db54fe7491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.313897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010502/publication.txt
observed ae5b75302000d62b74a9106987957e70...
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.