OpenTechnical

OT-2026-000042380

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000042380) never changes.

Identity and time

Publication numberOT-2026-000042380 · never reused
Internal UUID01a0ae7a-5d74-7590-84a5-5c7539902054 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042380
StatusPUBLIC

Content hashes

Canonical textb22bb3cc957a342c550707626270b4893539eee9731a67a9900fe19b00ac7cfe
Markdown5bd8cd20fe2daf967c933f660755debf364412824058bcfb682d229ab18dd444
PDF
Publication pageaeee02670c5bfde5cee2e93a1679a0663c55115669309df7cb455e38a8c04aea
Manifest469d6f15b078dc05b98d74c66d6751ac1a49fd0d16e9c9bb5d15b3c9fc28d9ec

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
SignatureDkQXLpRMnrY+uB6l9Hz194yg98OpzwLXK2yBOCAId0GTp2a1WhirnQ9Q0N7HiVTlocwtrEG4b4kMp1KKTHibAA==
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

2026-09-17T11:16:10.255839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042380
observed aeee02670c5bfde5cee2e93a1679a066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.240318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042380/manifest.json
observed 469d6f15b078dc05b98d74c66d6751ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.223729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042380/publication.md
observed 5bd8cd20fe2daf967c933f660755debf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.206565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042380/publication.txt
observed b22bb3cc957a342c550707626270b489...
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.