OpenTechnical

OT-2026-000014151

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000014151) never changes.

Identity and time

Publication numberOT-2026-000014151 · never reused
Internal UUID01a0ae6d-b278-78f0-9e1d-3945348bd33f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014151
StatusPUBLIC

Content hashes

Canonical text8b1163311c46669b73c8bdfbec496fda3e79ef9eedc072b21845f2b19bab2dc0
Markdown259d35f58bd2b467e6c92a000e41273f5665efaa3696711c71b82c09636dfc2b
PDF
Publication pageea4685508ab0027c4010ba50d0707d39524ce3887a8948312214bb2cb15bbc39
Manifest976ebc77e2613d8557a0c43af4a3c428dd586f080442965dd097881691051664

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
Signature7c3g9g+Vmp54vLd3+zuRaccmMeE7HQygyyzrb277HFKmLqo3LM8iQBDMBlJGvtttHg1X2sAAYcqlQbwIJJeHBg==
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

2026-09-17T12:07:13.954846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014151
observed ea4685508ab0027c4010ba50d0707d39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.934644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014151/manifest.json
observed 976ebc77e2613d8557a0c43af4a3c428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.913604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014151/publication.md
observed 259d35f58bd2b467e6c92a000e41273f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.894855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014151/publication.txt
observed 8b1163311c46669b73c8bdfbec496fda...
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.