OpenTechnical

OT-2026-000042196

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000042196) never changes.

Identity and time

Publication numberOT-2026-000042196 · never reused
Internal UUID01a0ae7a-5d72-7e9e-b556-baa7b4279a38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042196
StatusPUBLIC

Content hashes

Canonical text9a09557bc80505756067a6357ccc17df62b33638f9d48594c69cc829a0486a48
Markdown4401dc8f58a632f73118def466c5ba9887cb9e173db2fc11e99a3615a56a9761
PDF
Publication paged7de7418734e019d0b012cb4fc12e79b4066988f4fd50f8dc8a7d5e69b58ba24
Manifest5506b99f12914c16b74ffa20ce4467e90148cee50d92551940acee7541e88600

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
Signaturex+V1kiue2MkKu/qddhob953jf6N03XtesWDyyYr7SDB4BrsA5fSupBgXQcwksrrjvnaDT8at2oEASHMoNDqoCA==
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

2026-09-17T11:15:51.694748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042196
observed d7de7418734e019d0b012cb4fc12e79b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.675572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042196/manifest.json
observed 5506b99f12914c16b74ffa20ce4467e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.655409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042196/publication.md
observed 4401dc8f58a632f73118def466c5ba98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.636975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042196/publication.txt
observed 9a09557bc80505756067a6357ccc17df...
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.