OpenTechnical

OT-2026-000031319

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000031319) never changes.

Identity and time

Publication numberOT-2026-000031319 · never reused
Internal UUID01a0ae74-87ac-72df-980c-edf974f3fa7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031319
StatusPUBLIC

Content hashes

Canonical text0cb4ca2a348ebbacf03e33b019f6aa55ba33e916c4a494c3568e6ca2c76f223b
Markdownbee2eb66584d804a2d629b532288d252fa087d6a5fd3aaddc3768a4230eef430
PDF
Publication pagedc71259aebe193ad5e56afe96089ebcc7afc3394a9026b6ed5dd46a02fee501c
Manifest1b88a8345935b6393f3082192761c160d1aad4d14801ec5f723995f9f59a1766

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
Signature8SQxcYfvKdlPYSxHzP1fViFEBEZw1R53oTZTxljcGm/LQErmn19U8nnuWTD6LyQfIXOKM92h7gjQSGijtibxCA==
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

2026-09-17T11:36:00.521133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031319
observed dc71259aebe193ad5e56afe96089ebcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.501375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031319/manifest.json
observed 1b88a8345935b6393f3082192761c160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.481790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031319/publication.md
observed bee2eb66584d804a2d629b532288d252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.464584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031319/publication.txt
observed 0cb4ca2a348ebbacf03e33b019f6aa55...
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.