OpenTechnical

OT-2026-000037255

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line 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-2026-000037255) never changes.

Identity and time

Publication numberOT-2026-000037255 · never reused
Internal UUID01a0ae77-7741-7ea5-95e3-597426d14453 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037255
StatusPUBLIC

Content hashes

Canonical textcd311cda9749a3ddaae32ac1eb105321fca5834b54688590542bcc4b6ee04215
Markdown327911d4157265bc8967b6ed95e45fea90b1df515431980ade0aaf4e0bb7677a
PDF
Publication pagedb18239d96031727d6d5d54dd0480987b31c38b495299b6231fd5475a60531e2
Manifestf76a442b454d6131b34e3bb8cecd3ce913203ca7a5cf5f473b892d76bf520153

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
SignatureKxAtc3DdhEFpXh3JT5hF0Rz3djcSQ4WyDTK0wQh7btW74k1oEmvRAq7eCKYVsF1n3w2+YERlUuWgMrHZUsQdBQ==
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

2026-09-17T11:25:09.385194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037255
observed db18239d96031727d6d5d54dd0480987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.369652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037255/manifest.json
observed f76a442b454d6131b34e3bb8cecd3ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.353592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037255/publication.md
observed 327911d4157265bc8967b6ed95e45fea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.336819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037255/publication.txt
observed cd311cda9749a3ddaae32ac1eb105321...
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.