OpenTechnical

OT-2026-000025127

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000025127) never changes.

Identity and time

Publication numberOT-2026-000025127 · never reused
Internal UUID01a0ae71-5fa5-7daa-9add-2ff7d4fe31d3 · 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-2026-000025127
StatusPUBLIC

Content hashes

Canonical textb74b6583da23fedbaea188ad3865f31ee64b9000047592b5f5d46838d829e059
Markdown60ee36f187be0678fa28490d63c33298f61cc41ce40bc3cdbe828546f48bfbc0
PDF
Publication page6c44821699825a162b3afcce63ff3450d7dc27fceff398a4b82955cd0e362550
Manifesta5c30fec7aa3e2e8271e9f73295e97fdc92cd873abbccd809fbf4433877716cb

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
Signature3QViT1jdsqBWicb1FLkC3bQBoe3h7y7f54qW6KVOMmVhnWET/GH+H4MzoK9xhcMR4xIzXJJHa4jeeULbbRsuDg==
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

2026-09-17T11:47:00.360048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025127
observed 6c44821699825a162b3afcce63ff3450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.340230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025127/manifest.json
observed a5c30fec7aa3e2e8271e9f73295e97fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.321877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025127/publication.md
observed 60ee36f187be0678fa28490d63c33298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.302761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025127/publication.txt
observed b74b6583da23fedbaea188ad3865f31e...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent