OpenTechnical

OT-2026-000048869

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048869) never changes.

Identity and time

Publication numberOT-2026-000048869 · never reused
Internal UUID01a0ae81-134a-772e-8522-9d7418a8bcc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048869
StatusPUBLIC

Content hashes

Canonical textd8466e8990879967c0a14deb51e0520de1ca9ad7c178caa3da43a309b6c1f365
Markdown44c4bfa96f07b4a49d0d18c35f64a66f494e2f7000ed1067d98c3d585f591bcb
PDF
Publication page5780de7c724a01cc153ebde2314c46743b5649672fd160e5b93eeb45c7600e70
Manifest8de436aa7c69fddf3108456742e9cfc598d1842a17a8c4f545f8b909e44488b8

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
SignatureTmcYLkwPDa7t/9qnq3If2+r6jI/SlylkskU6jhKTzmHWQb2U+LWYD48f5NMI7hS0J6Q7MGTmYi+HBb6xgWZICw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:03:01.303706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048869
observed 5780de7c724a01cc153ebde2314c4674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.285342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048869/manifest.json
observed 8de436aa7c69fddf3108456742e9cfc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.266821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048869/publication.md
observed 44c4bfa96f07b4a49d0d18c35f64a66f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.249932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048869/publication.txt
observed d8466e8990879967c0a14deb51e0520d...
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.