OpenTechnical

OT-2026-000005689

Publication integrity record

Porous face vacuum gripper, four zone face, two outlet manifold, two stage ejector, contact triggered

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-2026-000005689) never changes.

Identity and time

Publication numberOT-2026-000005689 · never reused
Internal UUID01a0a941-875b-781e-8b84-c3e5c5cd9f86 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:07:19.134509Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005689
StatusPUBLIC

Content hashes

Canonical text986a2428132f72828ce11c009ca42e8637006da302f3587ea4e737b444b16d1f
Markdown77ae19ff1fe3f9062f6b63d910b9411b602839289da4c193e97090dec3d351cb
PDF
Publication pagee3c890c6f1eb6be7002c514fc79397dbcbda9abe42cc2399d72a811db5d715e9
Manifest2ee2c2b59a09bdfc76fb3ad2647bc975b0c36006922b2beb67cf2c995d61a2d3

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
Signature3r04Qzx4NovsWQmPd++7H9VGKWOghNbL4WtuHsRul7An/oq4v9VzFoKYCJSEzK0YayuLrgqu966U+CYUtoB/Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:11.469887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005689
observed e3c890c6f1eb6be7002c514fc79397db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.452940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005689/manifest.json
observed 2ee2c2b59a09bdfc76fb3ad2647bc975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.437228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005689/publication.md
observed 77ae19ff1fe3f9062f6b63d910b9411b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.422405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005689/publication.txt
observed 986a2428132f72828ce11c009ca42e86...
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.