OpenTechnical

OT-2026-000087694

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, sustained 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-2026-000087694) never changes.

Identity and time

Publication numberOT-2026-000087694 · never reused
Internal UUID01a0ae9a-cd54-7e06-8267-251e979ef02c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087694
StatusPUBLIC

Content hashes

Canonical textbf92790a23dd9e86a6aa27cfd9f589d34483afc591e6a87089059c92e2b0629f
Markdownc08e23d0a9b5ec633567db9e2900fcaf5207cac8cb62678bc0467f37aba67637
PDF
Publication page90329aa9bf7168290c6046046b88fd357c7685348029fb5758d06d7538285922
Manifestc3b47554465bbd08ed3dcd524cfc2ff152f59549252dc5e04a0a5edf16bb31b5

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
SignatureQx8wU+BeYpOZtyUs9uWGa6FH1J7A/5oeR8K8x8t/OHJgNC2dHEys2zxbnvwNIHv3CauC1wqDDGlqH4Yxxj6ZAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:08.609142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087694
observed 90329aa9bf7168290c6046046b88fd35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.590880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087694/manifest.json
observed c3b47554465bbd08ed3dcd524cfc2ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.574441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087694/publication.md
observed c08e23d0a9b5ec633567db9e2900fcaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.554806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087694/publication.txt
observed bf92790a23dd9e86a6aa27cfd9f589d3...
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.