OpenTechnical

OT-2026-000007770

Publication integrity record

Single cup vacuum gripper, common isolation valve, single 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-2026-000007770) never changes.

Identity and time

Publication numberOT-2026-000007770 · never reused
Internal UUID01a0ae62-843f-7080-a2f4-3a3ecac07920 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007770
StatusPUBLIC

Content hashes

Canonical textb523ea17c733288493f2fe65e440cae0632ed8c793e2efa1edf9b7a2ace1b686
Markdown0f858911a82cc0e4e294600652510ede560b60c4222365320e62ca97cc917f8c
PDF
Publication page697f91fd45f2d44a256bd3407013c1e8a4931ef117065ed61e520ed0ca9df887
Manifest4a22551c6cbbdc6ca6ff7aeab086e0b9f1ede0015cd3836e9ee16bda92e14c3d

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
Signature8mvwA1UiuDc2v2sY3KCiB6RnW9+hCxPj5AKLzXeLMbiJER0Xjyrc4upmhOQhmn5wvmbrSGRl6JM3xRPWAlRcCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:10.120207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007770
observed 697f91fd45f2d44a256bd3407013c1e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:10.101869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007770/manifest.json
observed 4a22551c6cbbdc6ca6ff7aeab086e0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:10.084186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007770/publication.md
observed 0f858911a82cc0e4e294600652510ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:10.066865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007770/publication.txt
observed b523ea17c733288493f2fe65e440cae0...
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.