OpenTechnical

OT-2026-000100863

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000100863) never changes.

Identity and time

Publication numberOT-2026-000100863 · never reused
Internal UUID01a0aea3-66f5-7fc8-9ece-f5b958e34426 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100863
StatusPUBLIC

Content hashes

Canonical text49918c47a8e69e0aa0be2fff2129c9b11efe7030b20d7cfdc4b829fc929243dc
Markdowna934331e218f875d9555e71996fdff99c4ccfc67ae9a6dff20ab261b9acb2b79
PDF
Publication page2098b2da47dacdbbbfc2adb38dea4629c77ee2be85599bc6895de71c63575f66
Manifest2e5745b5ce576d5e5c19c45463d157fa9e489456d9e713838e89811fa7da0076

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
Signaturey7gryeRbGnBeEfozBPEWpBW0/3mYvh47fT4J3L6jg8JhqnbUx9m61L8ygNWP4qh9kUZyXcBCnmTGnhgv5JIbCw==
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

2026-09-17T09:27:47.691249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100863
observed 2098b2da47dacdbbbfc2adb38dea4629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.673614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100863/manifest.json
observed 2e5745b5ce576d5e5c19c45463d157fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.655673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100863/publication.md
observed a934331e218f875d9555e71996fdff99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.638389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100863/publication.txt
observed 49918c47a8e69e0aa0be2fff2129c9b1...
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.