OpenTechnical

OT-2026-000027542

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum 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-2026-000027542) never changes.

Identity and time

Publication numberOT-2026-000027542 · never reused
Internal UUID01a0ae72-6998-7433-951f-fc74fc75590e · 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-2026-000027542
StatusPUBLIC

Content hashes

Canonical textdb4921adb8680419e8ac515152c1586bbcb43b14de07ae6fdd9a6af46f05ba09
Markdowna214d1618d8fe70a3551c5d1c6bd4fc178c46375578d851212c4d0ceac13a4f8
PDF
Publication page3856fd801db1303ecdf5e88f7c51c358c7651767f48b36c5b69100ab458ccb22
Manifestac5f4c0beb1bbd18822b6b10c6df306c3b82b52936916118edc7dccc144bcae7

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
SignatureUxnCmfcNzVXUhw2JSK2VO2/O86hWxVx48DRz4XaOFzuF+ViWya4wfHfrmpDiaeJvIkRh2pzvflyeJmizUAXsDg==
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

2026-09-17T11:43:01.863483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027542
observed 3856fd801db1303ecdf5e88f7c51c358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.845887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027542/manifest.json
observed ac5f4c0beb1bbd18822b6b10c6df306c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.829051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027542/publication.md
observed a214d1618d8fe70a3551c5d1c6bd4fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.812877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027542/publication.txt
observed db4921adb8680419e8ac515152c1586b...
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.