OpenTechnical

OT-2026-000027856

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off before set-down

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-2026-000027856) never changes.

Identity and time

Publication numberOT-2026-000027856 · never reused
Internal UUID01a0ae72-a4a5-7313-8f3e-959bd7ec4007 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027856
StatusPUBLIC

Content hashes

Canonical textf6447be7887e603aaf35acb7dba64094cc220b6ec3f4092b2d5230b3fa639bbe
Markdownd7cfe7002f03b51028a42431a4f6292288cd619182d0fe07b4367f1bbdeb4c1a
PDF
Publication page4584a7d2eec495900d2a3e6588cd4520b24c45d25dd486848d119686b1dce30f
Manifest0186b255660c40cc0ab978f6bd4e3b3c9c49b1430ac4923a9aec39e7ae98b4c9

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
Signature7ZTNW6xlvwlJQEArhwSmzomTY6/jHjvEvfbRQN9X79hS2lj5J6bjV6WsNTXG2tZeRZ836UkC2lG4dJpXQkFkAA==
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

2026-09-17T11:41:59.959992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027856
observed 4584a7d2eec495900d2a3e6588cd4520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:59.934640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027856/manifest.json
observed 0186b255660c40cc0ab978f6bd4e3b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:59.899783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027856/publication.md
observed d7cfe7002f03b51028a42431a4f62922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:59.818068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027856/publication.txt
observed f6447be7887e603aaf35acb7dba64094...
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.