OpenTechnical

OT-2026-000047021

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000047021) never changes.

Identity and time

Publication numberOT-2026-000047021 · never reused
Internal UUID01a0ae7e-d0f7-767b-8c5e-19890bcc1164 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047021
StatusPUBLIC

Content hashes

Canonical text03e77fe4a9be4b3e1de49b415e79e07b9817f3e6620fa4019fc48c1bef6bc499
Markdown7fc6129044b02578eeca6cc158f2b0869d58bb7bbcb583eda1e07371d5695bf2
PDF
Publication page7e52b8fbb85022820fa375abf1cd382d05b98b8c986b6e6074bfc4faee21233b
Manifestd8ec0ecc6b49defea63772ce52c440c0ecbf4221b6e2be24df8bf474101953c0

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
SignatureYmYArofCfs9Btm5TaMtMdvOtulGBUUdKXRKUfkHLU54QGDFliJtMGp+Rri7kwbsJeLFwonWjFk8cQDE4BzXzDg==
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

2026-09-17T11:10:18.157815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047021
observed 7e52b8fbb85022820fa375abf1cd382d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.138026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047021/manifest.json
observed d8ec0ecc6b49defea63772ce52c440c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.120864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047021/publication.md
observed 7fc6129044b02578eeca6cc158f2b086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.103627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047021/publication.txt
observed 03e77fe4a9be4b3e1de49b415e79e07b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:46.789631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047021
observed 7e52b8fbb85022820fa375abf1cd382d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:46.771811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047021/manifest.json
observed d8ec0ecc6b49defea63772ce52c440c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:46.755028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047021/publication.md
observed 7fc6129044b02578eeca6cc158f2b086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:46.735524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047021/publication.txt
observed 03e77fe4a9be4b3e1de49b415e79e07b...
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.