OpenTechnical

OT-2026-000063653

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000063653) never changes.

Identity and time

Publication numberOT-2026-000063653 · never reused
Internal UUID01a0ae8c-f946-7cdd-af09-e0c771cb2214 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063653
StatusPUBLIC

Content hashes

Canonical textcc4da67534bb2f8f306976de28b220fcd055887d0286b8011f3307619268b283
Markdown1085e733f3933a0917b12f465dcd47ec7ebb81c1a0f4ae93766a42543658c4d8
PDF
Publication page3bbf11a70e49ad9654093bf20abbd4f963837ff51b9ed13ee1db9d6ed357d722
Manifest9d6d6c7bf8a1a233bc9bfb9897a066fca245712d3c18c550d31fc615b075b1bb

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
Signature4qt+GZ+4fv8Tsbpi0itI6r5hTvh2siH4IrI9PeHm7DQi0scUI1p/DVbt9u5XFEN8jz4o6sdfAL/E2zApFQ7HCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:45.616591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063653
observed 3bbf11a70e49ad9654093bf20abbd4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.597850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063653/manifest.json
observed 9d6d6c7bf8a1a233bc9bfb9897a066fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.576564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063653/publication.md
observed 1085e733f3933a0917b12f465dcd47ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.557889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063653/publication.txt
observed cc4da67534bb2f8f306976de28b220fc...
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.