OpenTechnical

OT-2026-000104169

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000104169) never changes.

Identity and time

Publication numberOT-2026-000104169 · never reused
Internal UUID01a0aea5-341f-7d31-9500-a33749d5b0f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104169
StatusPUBLIC

Content hashes

Canonical text94fe4cc780e25e22599fc3f9be33953c57f15b4d5b9fc1fa7a17fbb8ca64d7d9
Markdown70ed0d5eee718dac9b3697adbce739f9c856bd45c66a0d3f64ad361bbe61df5d
PDF
Publication page1de0a6e909e57a3505a6ba94ee7d02465136107bdcf573e620f05a77c4f177b3
Manifestce6d3a3429694fd58a54bb1c7dc98cc368c0ea3ec6d39aa82279695696a634ff

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
SignatureMqgR6KY3hBaFuo6GnGO7cpSeuvJT5xtUvSKOonUdKeXuDaMAUKMQD366QmzsNxtg9SHNd3MIJh9D9lYG344vAw==
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

2026-09-17T09:20:15.640516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104169
observed 1de0a6e909e57a3505a6ba94ee7d0246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.622318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104169/manifest.json
observed ce6d3a3429694fd58a54bb1c7dc98cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.604065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104169/publication.md
observed 70ed0d5eee718dac9b3697adbce739f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.583708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104169/publication.txt
observed 94fe4cc780e25e22599fc3f9be33953c...
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.