OpenTechnical

OT-2026-000068599

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000068599) never changes.

Identity and time

Publication numberOT-2026-000068599 · never reused
Internal UUID01a0ae90-2482-7a6f-836f-b26ac0acfc10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068599
StatusPUBLIC

Content hashes

Canonical text40db1aa40aff4abf7f37737fe2d94c08a2847fdb4f696e3b8004d152f850c2dd
Markdown16557f3698b777c64da718dfcc7ed2ad01d34546399d267b1e832a04b842ae3b
PDF
Publication pageae3d390eb9981c6ed5307b509896b66e6ac85bc722290229c8e8feb52518de0d
Manifest717eb42239968bc9f5cc39141d1d6ae64116095fd06f0cded4f429a7e85e632e

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
SignatureIHXGuyb6k7UDLVqqbkSKoUQw3F3yXnSTZg9J6nlguyHz8OsHQ8ge7W+lUgM8ga/6K/Arr4G4OZ5/0+CYGrWWDg==
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

2026-09-17T10:29:46.777034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068599
observed ae3d390eb9981c6ed5307b509896b66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:46.758292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068599/manifest.json
observed 717eb42239968bc9f5cc39141d1d6ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:46.740638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068599/publication.md
observed 16557f3698b777c64da718dfcc7ed2ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:46.723458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068599/publication.txt
observed 40db1aa40aff4abf7f37737fe2d94c08...
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.