OpenTechnical

OT-2026-000007452

Publication integrity record

Vacuum cup gripper, per zone isolation, plant vacuum fed, sustained blow off before set down

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-2026-000007452) never changes.

Identity and time

Publication numberOT-2026-000007452 · never reused
Internal UUID01a0a97f-4fd0-7ddc-8728-6818e785a320 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:14:48.147103Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007452
StatusPUBLIC

Content hashes

Canonical text110b7277ce1f43897a935e9aabe55e2c986610e787742c08c5ad904d3b3dc93a
Markdown55ef9703b3d9cd7b98374e8ab07304bc24ae2fdf303a5ad06dee69926cfeff4b
PDF
Publication pagea06562d398d7a5a63f5f43725e506f37a10889df66a859cff7d9d437793a09cc
Manifest140574c7d5bbd9a5e471f17e543f2d844336323aafd3f5a9f2236809d3d89115

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
Signature49Wt660ljogVeHe1Wfv2LmTgqB3J8PIH+xVIXWk0jvHh02lUMXUpSRTCjPD+6w9vYskeqz7M48XO329Si1uDCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:04.606674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007452
observed a06562d398d7a5a63f5f43725e506f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.593375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007452/manifest.json
observed 140574c7d5bbd9a5e471f17e543f2d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.580827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007452/publication.md
observed 55ef9703b3d9cd7b98374e8ab07304bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.569158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007452/publication.txt
observed 110b7277ce1f43897a935e9aabe55e2c...
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.