OpenTechnical

OT-2026-000016589

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000016589) never changes.

Identity and time

Publication numberOT-2026-000016589 · never reused
Internal UUID01a0ae6e-2d14-7030-8001-ad0c4ceecf12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016589
StatusPUBLIC

Content hashes

Canonical text3a293105fb724d00f0cd20cd19d7cbf57dca79b62a660c6cc8449e7025ed5761
Markdowncb1191d7410989676264ecc67e4766d20c511ee893138ce424b9760d4a213600
PDF
Publication paged99d2594072404cea20bc2915679e6311cc691b205a78672817858617191a188
Manifest97f159f6ee7f3727bfb35490ff4a3630b058c34a6b4448cee5bc0ea9fd378f6f

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
Signature3mwVzMpQG77FtHQJqPi7Ko37EXgVU91MaMq8DZYUavY50m/CNxHNfMQZHJH6+wytJ9lJjnjxSmMTKls/rYO9Bw==
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

2026-09-17T12:04:49.574338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016589
observed d99d2594072404cea20bc2915679e631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:49.555938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016589/manifest.json
observed 97f159f6ee7f3727bfb35490ff4a3630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:49.536197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016589/publication.md
observed cb1191d7410989676264ecc67e4766d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:49.514949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016589/publication.txt
observed 3a293105fb724d00f0cd20cd19d7cbf5...
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.