OpenTechnical

OT-2026-000034968

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000034968) never changes.

Identity and time

Publication numberOT-2026-000034968 · never reused
Internal UUID01a0ae76-6a1b-7e26-83fb-1cea002ce787 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034968
StatusPUBLIC

Content hashes

Canonical text57991421be63270f743b2ea24197fd2ca1259a4cd1fcf1b914c7136c2dd5cee3
Markdown5bea73c7dc5e371b25ba8d1b7187b79248de3a968943fca2b935e21feaab125b
PDF
Publication page5ff9b4a67b69018c4e90e2ad9906065a671fc6d158c64144277a17cd7ae16e2e
Manifestbce7f56a8dbaf0f03ed7a7e175e4195e729000f503b7bbdf64d9e4acca8708cf

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
SignatureHGW6s8Khl5WLpnE+/+8nA9KamAUB/WxetlANe8IsVZh5TzaeKO1r4zypmDLamdVZErgQI4wZCYnBmO5hPWPACw==
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

2026-09-17T11:27:53.823828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034968
observed 5ff9b4a67b69018c4e90e2ad9906065a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:53.807032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034968/manifest.json
observed bce7f56a8dbaf0f03ed7a7e175e4195e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:53.790131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034968/publication.md
observed 5bea73c7dc5e371b25ba8d1b7187b792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:53.772320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034968/publication.txt
observed 57991421be63270f743b2ea24197fd2c...
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.