OpenTechnical

OT-2026-000025417

Publication integrity record

Six cup vacuum gripper, six 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-2026-000025417) never changes.

Identity and time

Publication numberOT-2026-000025417 · never reused
Internal UUID01a0ae71-5fa7-7de7-8f20-8a2f7cde797c · 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-2026-000025417
StatusPUBLIC

Content hashes

Canonical text8c3f1d6074330fa49ef9e12d38937c9f11f04b5a242bcf6b14d32f120708645c
Markdowne41cc7a5d72e54c63b5934355154ddc7bfdca6cd4957f904561718c5c02b7586
PDF
Publication pagec4b8b63cf6c6c4ae3e097638c4e36b48e619da2f294e6ae9a5e6725f27e4fa7d
Manifesta0ab757102256e39914b8aa603c7e1369c4d5f712fc0eeb2d80e875d3740f6a1

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
SignatureX75yk10vrjSezKNCFuMw8hrGmQtaDaqrYOUHHhvKNZe8HYF+OJYs26f/6JkclC+qa2ecHiVvr9e2P0xySytvDg==
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

2026-09-17T11:47:29.510355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025417
observed c4b8b63cf6c6c4ae3e097638c4e36b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:29.489464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025417/manifest.json
observed a0ab757102256e39914b8aa603c7e136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:29.470464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025417/publication.md
observed e41cc7a5d72e54c63b5934355154ddc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:29.452045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025417/publication.txt
observed 8c3f1d6074330fa49ef9e12d38937c9f...
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.