OpenTechnical

OT-2026-000084159

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000084159) never changes.

Identity and time

Publication numberOT-2026-000084159 · never reused
Internal UUID01a0ae98-5b5f-7313-9eb3-4c51ede51fe5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084159
StatusPUBLIC

Content hashes

Canonical textd45673e24bed4ca6718d1392709e0ead22d149e6a328649a7c48a8db22884fe1
Markdown6e8bb960c866d733641c9c6858eafe5b447b58649480c03ddf20036e15102406
PDF
Publication page73de845efe3d26f9ef1b64818510d76f9a2f702dc05a873373ddca2d055eb1fb
Manifest8811dfee99b1892defaa8bee604a05da1977ad221658ae85864c2292e1ec78ec

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
SignatureGAcZ5he1aBVQVpB9GJHq5cSBeiSpqw4fp6I6+0zMWrax5wTPrNdus6gxcLLRKWFrzxNQB1kJP3xAhTNqvgLlAg==
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

2026-09-17T09:55:55.876074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084159
observed 73de845efe3d26f9ef1b64818510d76f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.856930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084159/manifest.json
observed 8811dfee99b1892defaa8bee604a05da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.837100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084159/publication.md
observed 6e8bb960c866d733641c9c6858eafe5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.817231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084159/publication.txt
observed d45673e24bed4ca6718d1392709e0ead...
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.