OpenTechnical

OT-2026-000032580

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000032580) never changes.

Identity and time

Publication numberOT-2026-000032580 · never reused
Internal UUID01a0ae75-1070-7153-b3a8-6c2f38389b8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032580
StatusPUBLIC

Content hashes

Canonical text63ef29ce0797fd7ce47ad8cc99e1a13f74b457283c4d5f18e231a4521d4c6bc3
Markdownb380fcd7106a7141aae52b5ac9e438d51af8e3708acd73c6907225613ebecdbf
PDF
Publication pagecea6e269c4dac58b79928d435ae1218e0ffa644e86441097d294cc8c62c1b296
Manifestcfd7f7de863f74b84c364393f8f201bd1fbde3fae9663ab949d9ac67716cd82c

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
SignaturezqgzJqvtquWIxUqis7kmpPdP37mypYpD+syd5MODdhI7eyWBq7BWXT64KMYTU65gAkN1jhbleCycyi0RvUyZBA==
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

2026-09-17T11:34:09.354333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032580
observed cea6e269c4dac58b79928d435ae1218e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.331426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032580/manifest.json
observed cfd7f7de863f74b84c364393f8f201bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.314101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032580/publication.md
observed b380fcd7106a7141aae52b5ac9e438d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.296394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032580/publication.txt
observed 63ef29ce0797fd7ce47ad8cc99e1a13f...
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.