OpenTechnical

OT-2026-000011685

Publication integrity record

Single cup vacuum gripper, plant vacuum 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-2026-000011685) never changes.

Identity and time

Publication numberOT-2026-000011685 · never reused
Internal UUID01a0ae6d-1940-70d7-97fd-9d6959103bf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011685
StatusPUBLIC

Content hashes

Canonical text055681a63fdbc380284cd9aedb708dadd905e29b5370ba630edf100baa8604cf
Markdown71a45da18605cfe348a40c6b189a9fd56f82790aba1f7d7a49255853e396b983
PDF
Publication page641034634e836b7f99f20022cf1143602e0db3dfaa443fc7b7d8c6dbbd92d87e
Manifest3d6027551e116d18fb793d6719563b211cc6642c9e0f7795ee077ae4bb96d054

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
SignatureIObxq5e7h34pL3Q7C4OOD5vFQQ2UtQ+d3mnQ5me/op6pulSa31Oo1oWZS+rivK748hbF9i+zJy2v4aI4tgucAg==
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

2026-09-17T12:12:17.105165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011685
observed 641034634e836b7f99f20022cf114360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:17.083396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011685/manifest.json
observed 3d6027551e116d18fb793d6719563b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:17.063014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011685/publication.md
observed 71a45da18605cfe348a40c6b189a9fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:17.043422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011685/publication.txt
observed 055681a63fdbc380284cd9aedb708dad...
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.