OpenTechnical

OT-2026-000064013

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000064013) never changes.

Identity and time

Publication numberOT-2026-000064013 · never reused
Internal UUID01a0ae8d-53bc-7e15-bf8f-23aa71bc3e3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064013
StatusPUBLIC

Content hashes

Canonical textbe5a21b8bbc8d6cc9686dfebad35790145816a755219981e723e7ac2cfaf1cf0
Markdown19c7a67a52b70bb2230deb49c5d2de4afe16ca26669ea81530f140f5d29a343f
PDF
Publication pagee364948b33d03237de7b2640c799fa0dd4be558196895b1733148de7e7223c76
Manifest08c08015af2c88fed6ebe75f47070e9f56886a72f1e4c4de9eef3fe3d54b028a

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
Signatureqc3p8TZiWtwwWk7dVtK/ACZI27aOYOWYT5RTOj7kq+cYduZXp9XAtuWhjibj3a9JJrgIryek1fyYKZEvVCUBAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:05.653654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064013
observed e364948b33d03237de7b2640c799fa0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:05.633401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064013/manifest.json
observed 08c08015af2c88fed6ebe75f47070e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:05.614651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064013/publication.md
observed 19c7a67a52b70bb2230deb49c5d2de4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:05.596220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064013/publication.txt
observed be5a21b8bbc8d6cc9686dfebad357901...
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.