OpenTechnical

OT-2026-000102223

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000102223) never changes.

Identity and time

Publication numberOT-2026-000102223 · never reused
Internal UUID01a0aea4-50f3-7e7c-b55d-e231c650d9bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102223
StatusPUBLIC

Content hashes

Canonical text6f2a4e9eef193d9207a957ef2b2a4787e9c49d9418575d9ef76a881040eebf45
Markdown20dcaa3200f5feedf9e34af2a383f8dac1c8077bb71ca03fe60dff0c3cc2fdda
PDF
Publication pagee61d96de3183bda3b42727e9ee21a0714b8c0bad934ef677e2711a16cc993675
Manifest985930513c76c70e5612ed0a70244980570173080ed883b483bbf9c6b77363d5

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
SignatureEqk6qLMQan6kkNG2R9d1CuO417ML7tthZWLMncqcIStXkmzfI0iBhp3lKaS9e8o5GcscBZ4I2xZRYpMn6z+vDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:24.084903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102223
observed e61d96de3183bda3b42727e9ee21a071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.065813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102223/manifest.json
observed 985930513c76c70e5612ed0a70244980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.048194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102223/publication.md
observed 20dcaa3200f5feedf9e34af2a383f8da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.028964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102223/publication.txt
observed 6f2a4e9eef193d9207a957ef2b2a4787...
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.