OpenTechnical

OT-2026-000025244

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000025244) never changes.

Identity and time

Publication numberOT-2026-000025244 · never reused
Internal UUID01a0ae71-5fa6-7ead-93f2-0bda9d0a8857 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025244
StatusPUBLIC

Content hashes

Canonical textd393ad716e8ea8fceb0a7f6a91c18f55fce18b6af705c75edfba1d03448bfb7b
Markdown3b9bbea578ad01c9d34b9d0fff5553a4adc51ec30240cb79393c1e6b4a275cd2
PDF
Publication page4eb5f87023650213fa17996630a18bc785eb4ec5cc41de0f9d8a0dfa8f16977d
Manifest8c9024e50713c3e04e82062ba94a313157d85b79425a1d6d15a14815599d0238

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
SignatureedyEZGsWFuvlLEkvgkAARc23cgx3aD0KgXCkyTTOg9Va3U73N6s6WvoG/zcFRc6giFK69MwVoEKBSxAg/EAICg==
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

2026-09-17T11:47:15.154974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025244
observed 4eb5f87023650213fa17996630a18bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.137345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025244/manifest.json
observed 8c9024e50713c3e04e82062ba94a3131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.118515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025244/publication.md
observed 3b9bbea578ad01c9d34b9d0fff5553a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.097646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025244/publication.txt
observed d393ad716e8ea8fceb0a7f6a91c18f55...
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.