OpenTechnical

OT-2026-000060962

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented after 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-2026-000060962) never changes.

Identity and time

Publication numberOT-2026-000060962 · never reused
Internal UUID01a0ae8b-12f3-7ffe-b768-550f6469eb22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060962
StatusPUBLIC

Content hashes

Canonical textbe709a1220c810d68216b998229f14038c5442a8f73124fa5c391bf61f153194
Markdown701c8d29f0023a65b858e975d07bc1468fa19e1aef9fa370920b46bb2fb11f1b
PDF
Publication page403072ff223150090115316eb0bb9bd243a462bc8fcb8b94c5a43dc6e91d4150
Manifestebdbae1b7a3e79f943dade3617880706737a4aa3615060a75db7b82752fbe20e

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
Signatureg4ZsF5J2ITod+CnV1zsHzxXZuzxo0feG0X6mBB1WjkllOx/ZesnQ2K9ifOnuaQg3CKcU4zcigfDJfFjYjq/SCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:14.489433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060962
observed 403072ff223150090115316eb0bb9bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:14.470901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060962/manifest.json
observed ebdbae1b7a3e79f943dade3617880706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:14.452641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060962/publication.md
observed 701c8d29f0023a65b858e975d07bc146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:14.433473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060962/publication.txt
observed be709a1220c810d68216b998229f1403...
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.