OpenTechnical

OT-2026-000015049

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000015049) never changes.

Identity and time

Publication numberOT-2026-000015049 · never reused
Internal UUID01a0ae6d-d096-720a-b339-131296583f57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015049
StatusPUBLIC

Content hashes

Canonical text813184aefc23e2ba1e51a2ecbfc7802b76c4a2eb4b602b29c091084ee5802bfe
Markdowndaeb397702c87ab95fca7c82c4ec784ececfdb3e7b6b8e6379880e59e44b3a82
PDF
Publication page94c3280d11a2cabb169c7b374305032838a55053be4a1d99549c4696a1205229
Manifestfd883b434050d0b5ffe0f3d2eec8e37a4b15a09b02cc1f938476f1342101c62f

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
SignaturetZYCO2K5OSmzRzcEAyStGybIIc3gfXdhQ6T0P+6ICLc4oJUHRl+dSs2WFNY4F42WAtn7JyecTfB6PiW4p65pDA==
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

2026-09-17T12:07:02.050406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015049
observed 94c3280d11a2cabb169c7b3743050328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:02.031820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015049/manifest.json
observed fd883b434050d0b5ffe0f3d2eec8e37a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:02.012353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015049/publication.md
observed daeb397702c87ab95fca7c82c4ec784e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.995133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015049/publication.txt
observed 813184aefc23e2ba1e51a2ecbfc7802b...
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.