OpenTechnical

OT-2026-000061901

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000061901) never changes.

Identity and time

Publication numberOT-2026-000061901 · never reused
Internal UUID01a0ae8b-b8ad-798a-b586-0f399d21ff3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061901
StatusPUBLIC

Content hashes

Canonical text062f321de890308ac7fac435f766151427d6580d12c8c22c6ef016ff80291e97
Markdownabb7a0ce792e6bdebb89a609947801169a273aa0096153847beb0c0f023b105c
PDF
Publication pagea754b83a510216eb5cf1fcf814dd8c93455c76003cce5ec24f4ffc5808980bc2
Manifest77ac5f568370e72d29a9526efc53d6d4090c898d02c2132fbfd4e7be18206979

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
Signaturex3na6yllnhXoGyGtZP60j0n3hTNFhrcrzmNSdf91RBO18mX4Xwkknf3WVUgYKmhZ9A0Kat2BDUwuFdX3u9CxBA==
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

2026-09-17T10:40:46.547037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061901
observed a754b83a510216eb5cf1fcf814dd8c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.527828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061901/manifest.json
observed 77ac5f568370e72d29a9526efc53d6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.507241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061901/publication.md
observed abb7a0ce792e6bdebb89a60994780116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.487156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061901/publication.txt
observed 062f321de890308ac7fac435f7661514...
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.