OpenTechnical

OT-2026-000025864

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000025864) never changes.

Identity and time

Publication numberOT-2026-000025864 · never reused
Internal UUID01a0ae71-a83e-7784-9d93-94ed6f7b8120 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025864
StatusPUBLIC

Content hashes

Canonical text62bc14974b9b9991c7a947a2327959de55496ff36877cf894600f1fcd0c6deee
Markdownaf4369aac3c56c2140a563d30041729be89caafb34421f6edf199f1d825c3534
PDF
Publication paged9e35ed89614a959f19be65b683cfc75c4aaa0636f3499cebfdaf0afb958bd82
Manifestcd3977b1bc7a19bdcd54557189bd67e087ea3e77531e9f8de50224fe80673f9a

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
SignatureVar/AGR+QsFJjG1wbBOc8aGnL/80BXCveYgkyVKTV8OtGv9/5qs+yBVsK9CV7jwGZ9MIUmlxiT0Y34UdliE8DQ==
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

2026-09-17T11:46:05.878145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025864
observed d9e35ed89614a959f19be65b683cfc75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.859886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025864/manifest.json
observed cd3977b1bc7a19bdcd54557189bd67e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.843021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025864/publication.md
observed af4369aac3c56c2140a563d30041729b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.826950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025864/publication.txt
observed 62bc14974b9b9991c7a947a2327959de...
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.