OpenTechnical

OT-2026-000036931

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000036931) never changes.

Identity and time

Publication numberOT-2026-000036931 · never reused
Internal UUID01a0ae77-773f-7553-a96c-3a818c7121f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036931
StatusPUBLIC

Content hashes

Canonical text8c7d1df4677ee93ccfa64b74b81ed6971e05d2303b7f2ec3489ffa2ec515c477
Markdown8e61d24b7ea53287a50a8e1e6a6b1e3c5fc515374a68c55c4883d7cfe8f8d2b4
PDF
Publication page3ee0db29e962c727264f53b34807787b10c05d6b6729c32f908246a31297c69f
Manifest5b5d472577f506c02caf5a6b35873521952343d6f9815c5e6c2e65428c929ef1

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
Signature/rB9JmDYoxkX3IH/mxcqE87MiFpqjNxqrbsHn23ESFobo0gJ6LmjzFuU0AYnSAZX7p7MYCW2RMiuQfDkMN3cBA==
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

2026-09-17T11:24:34.615332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036931
observed 3ee0db29e962c727264f53b34807787b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:34.598197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036931/manifest.json
observed 5b5d472577f506c02caf5a6b35873521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:34.581287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036931/publication.md
observed 8e61d24b7ea53287a50a8e1e6a6b1e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:34.547553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036931/publication.txt
observed 8c7d1df4677ee93ccfa64b74b81ed697...
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.