OpenTechnical

OT-2026-000013804

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000013804) never changes.

Identity and time

Publication numberOT-2026-000013804 · never reused
Internal UUID01a0ae6d-8de9-72bf-9daf-9f6591a0d0ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013804
StatusPUBLIC

Content hashes

Canonical textd98e58f28967aa53508a66a425ae185719401a503d198433331c2374c65da937
Markdown155dbb20e0d3c365c339033f9283266d9b3165014fbee58a5c28622d3b27d576
PDF
Publication pageab147d47a412a5e4bf39530d4b2bccf4d672bee35bc17a3249c6922eb0398947
Manifest356b39a05ca49f9f7d84017c806875d54820a797153cbf944eacd8fd73486a58

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
Signature4e5a6s0EJiTHS5ERNBcWUB9SeK2Ud+bNFke1y+EoUifDOjdVgIZpZHvfkldakI+MLk6gb1FuoyXJSIHnaVOjCA==
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

2026-09-17T12:08:53.845643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013804
observed ab147d47a412a5e4bf39530d4b2bccf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.828559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013804/manifest.json
observed 356b39a05ca49f9f7d84017c806875d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.808636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013804/publication.md
observed 155dbb20e0d3c365c339033f9283266d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.790280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013804/publication.txt
observed d98e58f28967aa53508a66a425ae1857...
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.