OpenTechnical

OT-2026-000021704

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000021704) never changes.

Identity and time

Publication numberOT-2026-000021704 · never reused
Internal UUID01a0ae6f-bb59-7e63-ac91-e2978579ba7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021704
StatusPUBLIC

Content hashes

Canonical text7284e96c48c9e9239e25dc4ce5582196e3f1e4742a2a02152f1fff6b50f7fd60
Markdown3bb0f8cc17732fc5f95dc72c5d556fc28796ea692412cf7b7661758286c2a5d3
PDF
Publication pagefd017e3bf27bc9023ee0fe062ba8d9a6accab290d23ea95814e8b01d9043d2b2
Manifest321ff188b28475a15f9bb172041bb32fc3ad814290a20c878f96964b43e5d62f

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
SignatureBWTCJECCGlq3jwsebbNstljoNB4XvjT59ApbCMQioPJlQSUp8gH3Z+hwIZMG42xBaa+QHGXg0QSq3rjuRVE6BA==
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

2026-09-17T11:54:14.592942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021704
observed fd017e3bf27bc9023ee0fe062ba8d9a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:14.575914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021704/manifest.json
observed 321ff188b28475a15f9bb172041bb32f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:14.559068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021704/publication.md
observed 3bb0f8cc17732fc5f95dc72c5d556fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:14.540555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021704/publication.txt
observed 7284e96c48c9e9239e25dc4ce5582196...
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.