OpenTechnical

OT-2026-000086345

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000086345) never changes.

Identity and time

Publication numberOT-2026-000086345 · never reused
Internal UUID01a0ae9a-2c96-7f37-8ab9-5436c391c4f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086345
StatusPUBLIC

Content hashes

Canonical text2ef4f77d9067086ea9d8d2963e41bb4d9db422cbf23803a0c125782dfc7fbe64
Markdowndb163977357533a75d607a45bd5e7f3fc3de693a826d86cb30367d58695d9d71
PDF
Publication page05648c7e41db14f72dd6132649c377f714f204700a80b62bb6bd5dd684e10abd
Manifest47003fcb1780b036ea27c65180d59874f45398317c3efffde3300e294554ff48

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
Signaturen3Zb9igG7IMutBl9JTN3pjPeurF2274o1l+M2MskCRuZQJ9BsXxiGJXPPW7kVAtgeGpts8cKVSeR9qc1wTqzBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:02.290683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086345
observed 05648c7e41db14f72dd6132649c377f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.269447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086345/manifest.json
observed 47003fcb1780b036ea27c65180d59874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.252226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086345/publication.md
observed db163977357533a75d607a45bd5e7f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.235317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086345/publication.txt
observed 2ef4f77d9067086ea9d8d2963e41bb4d...
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.