OpenTechnical

OT-2026-000032037

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after set-down

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-2026-000032037) never changes.

Identity and time

Publication numberOT-2026-000032037 · never reused
Internal UUID01a0ae74-bad3-7a0e-bab3-a1b89dbc6dde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032037
StatusPUBLIC

Content hashes

Canonical textc28e2dcdc8d7cb27c19381bb3be4aaaf6114b397c2f4bac3d797f3bfb40f0d5f
Markdown3f347c473df6fb664cf4ee15fd47c6e566a0729aad3d412571fb3fe794237ce5
PDF
Publication paged0fe0a0679e06cf348db31325220361272f5e121a71cf4355f99485cb44aee3c
Manifest34a401f407a0c7d946b97b7e5a5e191807ed8b4a2007587fabedbf83127434b5

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
Signature2DnzoRGT16+MMPrQry9/YDkhT3hyYGXemVwevwMPJM0cdoCis5XbQvYZIYQnZCIXVvOHdmn36miVmKFprQjiAw==
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

2026-09-17T11:35:26.943382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032037
observed d0fe0a0679e06cf348db313252203612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.926006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032037/manifest.json
observed 34a401f407a0c7d946b97b7e5a5e1918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.909129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032037/publication.md
observed 3f347c473df6fb664cf4ee15fd47c6e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.890603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032037/publication.txt
observed c28e2dcdc8d7cb27c19381bb3be4aaaf...
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.