OpenTechnical

OT-2026-000036477

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000036477) never changes.

Identity and time

Publication numberOT-2026-000036477 · never reused
Internal UUID01a0ae77-46e6-7a83-8573-d4ffb2079315 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036477
StatusPUBLIC

Content hashes

Canonical text9b0e9eda48e55dd1058ea937902f7110fc1d0943be9d02317ab3cdc51e78e1fa
Markdown8d65e7539950ebfd0d53cda2f4d1de9ef0b075d89f726817c573040ac404f88b
PDF
Publication page26251137a00b2f6f27b54806053604a6afa4c38991c959f85d93391e3e743738
Manifestf8ed57288a224c0f2ee006b55267c750fb740339591abc6c806460810a1d718b

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
SignatureG6lwVhdM+718DXqMB8g8tfZaMTY9jWCFlF4GdM2IIyLzh1MtN3jI1DrVXmuzJnXm9/iqbLzLG7mWNaPZOgdFAA==
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

2026-09-17T11:25:09.752608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036477
observed 26251137a00b2f6f27b54806053604a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.736453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036477/manifest.json
observed f8ed57288a224c0f2ee006b55267c750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.721002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036477/publication.md
observed 8d65e7539950ebfd0d53cda2f4d1de9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.703289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036477/publication.txt
observed 9b0e9eda48e55dd1058ea937902f7110...
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.