OpenTechnical

OT-2026-000027781

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000027781) never changes.

Identity and time

Publication numberOT-2026-000027781 · never reused
Internal UUID01a0ae72-a4a4-71c2-9388-a53b47d6b27f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027781
StatusPUBLIC

Content hashes

Canonical texte711029728ab43de1e5ddcff82a27c1f1bae6956c1494eef8a7d619ee6588fbf
Markdownd9aeb7dc4ce133cbe393f1fde6e105e2f235fcf5854323331593862ad66510f4
PDF
Publication page458a43a3e108fd0c31be4880a5a817fc180abbc6892c1883f342e6796765133e
Manifestdf29443705e02d8be64e15e81386e09a046bf9dd7f5b1092537361be43925bdb

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
SignatureAKmk9EAcg35ECuv6q07wToQRXi3ZwFMa7mMZTcsM400/N9QEFiUWHi1wZm/H3NjQVdBrQJWaxG1IkeNcTQGGDQ==
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

2026-09-17T11:41:49.640308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027781
observed 458a43a3e108fd0c31be4880a5a817fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.621427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027781/manifest.json
observed df29443705e02d8be64e15e81386e09a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.603328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027781/publication.md
observed d9aeb7dc4ce133cbe393f1fde6e105e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.584355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027781/publication.txt
observed e711029728ab43de1e5ddcff82a27c1f...
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.