OpenTechnical

OT-2026-000027558

Publication integrity record

Three pad foam 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-2026-000027558) never changes.

Identity and time

Publication numberOT-2026-000027558 · never reused
Internal UUID01a0ae72-6999-7234-8171-2c9fd2febf22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027558
StatusPUBLIC

Content hashes

Canonical text3507cf28c88809dbcf27a6ae510d07c71a1bfd7b0748f521be5c5f2a59a9a6de
Markdown4a7360b193618261fb8a4f388f67c2d388ee49d127d05fb6173e51acb95f4dc7
PDF
Publication page3166f484fd3a6b9290bbef583459a71ba70162335b5e9dd83161bb11a0cf0cef
Manifest3c2850685db8b71b626e254e2e14138fe7186213bcc6681cff72fe469dba7e6c

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
SignatureiKhAocI1QTHKywxzdSvEzb1BYRfqkLZ2iXFcpqU9HJJ/tAx5N9juX5nevYtk9mQSM56890B8/tWvfjuRKegxBQ==
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

2026-09-17T11:43:02.873318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027558
observed 3166f484fd3a6b9290bbef583459a71b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.856878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027558/manifest.json
observed 3c2850685db8b71b626e254e2e14138f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.841602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027558/publication.md
observed 4a7360b193618261fb8a4f388f67c2d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.823500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027558/publication.txt
observed 3507cf28c88809dbcf27a6ae510d07c7...
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.