OpenTechnical

OT-2026-000012446

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000012446) never changes.

Identity and time

Publication numberOT-2026-000012446 · never reused
Internal UUID01a0ae6d-39f6-70ec-8d2b-dffd8e7cb396 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012446
StatusPUBLIC

Content hashes

Canonical texta89ee13a13f6924891accddcfd9d750f36f3844dc5ef1582e16ef1f0edb6060b
Markdown60610d47fca57834068cfa44dd5ee1cf19e8d4c41e482b87ae56d2d9304939bb
PDF
Publication page8374c30a68c6cbb56730c506f01872a26323fcefec817563f5011d3f0d644cc8
Manifest65ecc502f026d27e62b8a70c3ec7a1ce23b937e8957c714ca52440b1b41da6c2

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
SignatureMCLorjAgkAytCsG0k82pqTYEqgNlT7gJ/G2i7LBiISJyAtxQpaXBcyd1zXxyO5rGY78ZJkoSZ/tQkp0RKqxzCA==
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

2026-09-17T12:11:56.969485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012446
observed 8374c30a68c6cbb56730c506f01872a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.949964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012446/manifest.json
observed 65ecc502f026d27e62b8a70c3ec7a1ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.931301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012446/publication.md
observed 60610d47fca57834068cfa44dd5ee1cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.912103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012446/publication.txt
observed a89ee13a13f6924891accddcfd9d750f...
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.