OpenTechnical

OT-2026-000025205

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000025205) never changes.

Identity and time

Publication numberOT-2026-000025205 · never reused
Internal UUID01a0ae71-5fa6-7625-8f6b-cc4e4e5fd70c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025205
StatusPUBLIC

Content hashes

Canonical text378d68a3f53d73cebe097f06b45925fbc312d5046c9b1741da7d9b18b75fc297
Markdownbd2a44170eef8865d02a0fc401bc393163bac79d0ec44d1304eac70ed47411dd
PDF
Publication page2e2a6c6da28a9ed2888660e8cde6df0148a16507850e315615e775351aea24d2
Manifestb0dcb4ee8629f7217cf535092e9a6543154a756d8174214ef0363f9d5f7c5a59

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
Signatureqy7kDZLTj9e+FWB6uuUFNM4XhWctc6vBT7xqQpXQBgi5yvfSJAEebmM2Q0zKmtYIliGB7xRI6GiJy7T5kGkoCg==
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

2026-09-17T11:47:11.899805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025205
observed 2e2a6c6da28a9ed2888660e8cde6df01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.882626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025205/manifest.json
observed b0dcb4ee8629f7217cf535092e9a6543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.866229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025205/publication.md
observed bd2a44170eef8865d02a0fc401bc3931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.846868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025205/publication.txt
observed 378d68a3f53d73cebe097f06b45925fb...
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.