OpenTechnical

OT-2026-000008222

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000008222) never changes.

Identity and time

Publication numberOT-2026-000008222 · never reused
Internal UUID01a0ae6a-908d-7382-bc5b-cae41de1d4bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008222
StatusPUBLIC

Content hashes

Canonical textdd89a50983597dad6ce099feb4974cb222865a682e02b8f9c19cd2bac7375893
Markdown46a98ee5493239b6f7178f34dc899ea33d9f6d21490ac42a96e5437f614676c7
PDF
Publication page152df2122df600b21e07801506a193a72d63106fd741a1842b95fbc54d7ac5c6
Manifestdb14beef156746a6c12b0c5f1e7961e355d8f6b67ad2909cfda577b703a937a9

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
SignaturekDydc0R75LHVE8ahsR/BgRiq8fDqWVJWjKU4i4yZIX2NFEmQZWtrplAOwPOg3cM1jfl4vQa+VEe+/qtwQ/BxCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:38.273730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008222
observed 152df2122df600b21e07801506a193a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.254145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008222/manifest.json
observed db14beef156746a6c12b0c5f1e7961e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.235741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008222/publication.md
observed 46a98ee5493239b6f7178f34dc899ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.216724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008222/publication.txt
observed dd89a50983597dad6ce099feb4974cb2...
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.