OpenTechnical

OT-2026-000104506

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000104506) never changes.

Identity and time

Publication numberOT-2026-000104506 · never reused
Internal UUID01a0aea5-3422-779f-8455-e5f625b06fcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104506
StatusPUBLIC

Content hashes

Canonical text15f0a0c476094986d0875277bde712e0331f9bfb84628e626ac79aa73ab36b4e
Markdown38df0275a99c3d73e31cc115df85411c2f471093c583dc0cf8707f3749029ded
PDF
Publication page54a590e9834d2269176c6bea03849c914f6743738a957597c1cacbea41a91468
Manifestfbb142dac9cd5c6cd4c5a2f045717e699ea77fae9a0728fb07981a0590b25322

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
Signature2t0m/f3YbGlYOGi8C02XT5sa/q5G9Vq5jh3N7S17GoDGLsyr5tpE2oIq7ipUJUQlr5muTbRegQC93zbvnU1sAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:47.892407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104506
observed 54a590e9834d2269176c6bea03849c91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.875989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104506/manifest.json
observed fbb142dac9cd5c6cd4c5a2f045717e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.858672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104506/publication.md
observed 38df0275a99c3d73e31cc115df85411c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.838978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104506/publication.txt
observed 15f0a0c476094986d0875277bde712e0...
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.