OpenTechnical

OT-2026-000027649

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000027649) never changes.

Identity and time

Publication numberOT-2026-000027649 · never reused
Internal UUID01a0ae72-6999-7b31-a0b9-88afbf956d05 · 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-2026-000027649
StatusPUBLIC

Content hashes

Canonical text5d1a5f76fd91e2c8f069112d90a31006a3bc91d910cda40e7363a479a37b4f07
Markdownf5f36b3ee8a6ef31a5db5342ae39ad97b96d826bf16053ae710ead84f0c98768
PDF
Publication pagebd8be87b3df660cdc0e890f5d9f17038fd3b3f2f5262f35c66f23d37caa65f8c
Manifestc240530272e26bffb96993160e27dc316790b0df279ea01d2b37bbef70eefc2e

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
Signaturer6pZsYMPBpJmju5iASWevohWnIy995kJOXGRAe1cYHppHOnBEAqAVpxU63b7Q30jYD+6tVxV0d5QT5vgSNITBQ==
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

2026-09-17T11:43:10.600171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027649
observed bd8be87b3df660cdc0e890f5d9f17038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.582955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027649/manifest.json
observed c240530272e26bffb96993160e27dc31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.565712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027649/publication.md
observed f5f36b3ee8a6ef31a5db5342ae39ad97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.546602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027649/publication.txt
observed 5d1a5f76fd91e2c8f069112d90a31006...
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.