OpenTechnical

OT-2026-000005751

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, six outlet manifold, pump fed, 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-2026-000005751) never changes.

Identity and time

Publication numberOT-2026-000005751 · never reused
Internal UUID01a0a943-98d9-7c5f-b1d4-09b98097e4c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:34.684295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005751
StatusPUBLIC

Content hashes

Canonical textd82c0d64e2d5af3d03555c875375a96a40941ae6205363ae834f231416f5253d
Markdowna9f968f5b80c0f818ba6ee51b2ec195e6c560d7d2e72188e9ae0b8509f243537
PDF
Publication page04f166e1a4d339dbf6b65eb53750f30fc1831fe44d2a9525e513f1eee8662eb9
Manifest9d9e07256c7252d2bba05b3b5a1a4459209e7ec63abc58f30822829417a7d03e

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
SignatureQwgBDOSL9TCbTNn8SU1w42ldElQC+H1tU5mBQANWk6MGBSzaPHmRlr6q671aMtWPC4DFBcZ+qfaOdLkyUO+uBQ==
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

2026-09-16T08:10:04.133427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005751
observed 04f166e1a4d339dbf6b65eb53750f30f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.996666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005751/manifest.json
observed 9d9e07256c7252d2bba05b3b5a1a4459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.979851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005751/publication.md
observed a9f968f5b80c0f818ba6ee51b2ec195e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.963418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005751/publication.txt
observed d82c0d64e2d5af3d03555c875375a96a...
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.