OpenTechnical

OT-2026-000019730

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump 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-2026-000019730) never changes.

Identity and time

Publication numberOT-2026-000019730 · never reused
Internal UUID01a0ae6f-1fb4-7910-bbfd-4e61ac2876c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019730
StatusPUBLIC

Content hashes

Canonical texta9924c55c20f7bbf52c1fcdead6f656cbeb6a6b851d990d0d1fefb850afdc3a6
Markdown1a74d2a6646737d0b9653672cafa385e7845a8daccab6a02561355b817c7325c
PDF
Publication page0c2988c5e89f8f7e1fbbb8dadfec50bb3a9f79fe65cdaf9a76b35abe9a89eadf
Manifesta6e1f44f105d73e8c84dd0ad48ed50dd1679cb74af9bd9860412f79db006a29b

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
SignatureL9FSsfWgGA+chfsH+M9/KisjIX73iixNfVK5dj+ocRuOXxydatr4DzqEc2w4YpP7pHULgwzelm62xS+BF3/wAg==
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

2026-09-17T11:57:49.200844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019730
observed 0c2988c5e89f8f7e1fbbb8dadfec50bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.181294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019730/manifest.json
observed a6e1f44f105d73e8c84dd0ad48ed50dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.164073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019730/publication.md
observed 1a74d2a6646737d0b9653672cafa385e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.144042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019730/publication.txt
observed a9924c55c20f7bbf52c1fcdead6f656c...
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.