OpenTechnical

OT-2026-000018490

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000018490) never changes.

Identity and time

Publication numberOT-2026-000018490 · never reused
Internal UUID01a0ae6e-b48a-7d0a-b3f5-860981df96e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018490
StatusPUBLIC

Content hashes

Canonical textd185e1c6600baf1dd32b07751766ae22354f10a9bf7dfd52843adfb6025dacee
Markdown61d0d5bf03adeabc60ab22db23c781820ab40047dd77c950eee37c18f049bd14
PDF
Publication pagefe6e744aed65b035a000837eca52b479d1ce09d95c3f628f1f243b5e6a246512
Manifest485f8efe2c1c3e5c3ffc4db8b0276f0231f3ba649e75d41ad2e6d31c2c72c213

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
SignatureI+xplxWgOxqq7I1TxXFLtwTDummrFgRRC323JBpgVtgaMMFQuLvzZ2RZ+C3R2u1VLlTk4zMBoh+xyq6qi/r6BA==
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

2026-09-17T12:01:15.701497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018490
observed fe6e744aed65b035a000837eca52b479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.685845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018490/manifest.json
observed 485f8efe2c1c3e5c3ffc4db8b0276f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.669413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018490/publication.md
observed 61d0d5bf03adeabc60ab22db23c78182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.653353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018490/publication.txt
observed d185e1c6600baf1dd32b07751766ae22...
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.