OpenTechnical

OT-2026-000026945

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000026945) never changes.

Identity and time

Publication numberOT-2026-000026945 · never reused
Internal UUID01a0ae72-3452-7e37-85c2-872406201a3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026945
StatusPUBLIC

Content hashes

Canonical text89ad0eefd8cc5b0f67a93837d898f44bd891f353d97b696e251671740940f595
Markdown15074093d3a1bbfab8d4b839dac33d5a36c320b1e7e5ab2a524563dfa976c680
PDF
Publication page3faeb992fc1b489aadab9d238f9ac475bddc373431e3cc5c355825cb42148a90
Manifestb07e8c07849d82f1711d95f08e4e910644c20ae052c816457e412eef15291415

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
SignaturetNhpIs2cD5Q7P5g9h+H4kZvocETfStzBSZLuJ4OAmsjdDXUric5uJlzTj15enkjiCdORtvQxw4z9NOpIoO5+CA==
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

2026-09-17T11:43:33.867288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026945
observed 3faeb992fc1b489aadab9d238f9ac475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.850500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026945/manifest.json
observed b07e8c07849d82f1711d95f08e4e9106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.833476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026945/publication.md
observed 15074093d3a1bbfab8d4b839dac33d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.816969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026945/publication.txt
observed 89ad0eefd8cc5b0f67a93837d898f44b...
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.