OpenTechnical

OT-2026-000102391

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000102391) never changes.

Identity and time

Publication numberOT-2026-000102391 · never reused
Internal UUID01a0aea4-8589-7d93-ab45-9b305d6a9c88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102391
StatusPUBLIC

Content hashes

Canonical text405477a2172bbbd301fcc85e3a2fe5c49fbce9a8a04ec9cd16dedadb8cbc72d0
Markdown96e521e97c03828656279ebb201013a441efbe65eb82cd7d71b7cb258dded565
PDF
Publication page1ee1b93f53380682325a28c8aa47d60891446f22ed0184010d46593142804945
Manifest1d0c6f515508ddb507bb17689de7bee750a632d3c614acf2b23a04ed2a247841

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
Signature+i7CxcOKdrLA+UO5oHKtmh+dIRRDPKNhce9jqGJVybN7ZZ4pdofGpLk4DEdfxtmppM0BZSKJA0Luhs7KOZW+Cg==
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

2026-09-17T09:23:43.837486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102391
observed 1ee1b93f53380682325a28c8aa47d608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:43.818530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102391/manifest.json
observed 1d0c6f515508ddb507bb17689de7bee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:43.798920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102391/publication.md
observed 96e521e97c03828656279ebb201013a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:43.779336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102391/publication.txt
observed 405477a2172bbbd301fcc85e3a2fe5c4...
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.