OpenTechnical

OT-2026-000044012

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000044012) never changes.

Identity and time

Publication numberOT-2026-000044012 · never reused
Internal UUID01a0ae7b-d679-7c77-83ed-592659867d32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044012
StatusPUBLIC

Content hashes

Canonical text0191248f33eb66ede00633291a615f7cc88dbb9179330ad289d7bbb6c936dab1
Markdownd42c4312f7399504a662b58cea0d29dca37c5f8b3e424eca2059fda604170387
PDF
Publication page6a9b92ee6d504efc7481e6d3246fb6790badd35504a4b567d78e49fa5141e5fd
Manifest79518f6ef9e386be399868eed6061ddec7696fcbdd008bb6d9d1f50144274cc0

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
SignatureS68z4eBBUSByNEX9cO7yd4be7PKcazQ8Z1mxeN0zeNMeCP3FbJTiY70N0fG16CukXWw9uxlSrb1466FtOxdNDA==
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

2026-09-17T11:12:23.493438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044012
observed 6a9b92ee6d504efc7481e6d3246fb679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.475782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044012/manifest.json
observed 79518f6ef9e386be399868eed6061dde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.457349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044012/publication.md
observed d42c4312f7399504a662b58cea0d29dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.437315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044012/publication.txt
observed 0191248f33eb66ede00633291a615f7c...
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.