OpenTechnical

OT-2026-000058129

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000058129) never changes.

Identity and time

Publication numberOT-2026-000058129 · never reused
Internal UUID01a0ae88-6eda-753e-a667-d6705a169770 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058129
StatusPUBLIC

Content hashes

Canonical textc2f77e23074ecfae45b845dcd37dc2dddc2fc08dd576e400377dd527343aa0a9
Markdownb3a298abf674be3c345b66c086d891edd3d864ffd3ee35f6161ee4332d2f5b88
PDF
Publication page7223c41f96e3f33c4cc11f2b22edadffc96351dd36f2841c1fb6e1d72a48e817
Manifest233bcdc8a55003ee64624cfa5f7025ceb5616c261e465edad20c030200a4ca4f

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
Signature8vS5Zvwc5S8jFzTgvkR1T+i3TyqZEyXYS/9FAMcr0rCn2btPnnohEDlJWJ6fl5CdU9Qdv5DeIAulSbbizT/hCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:48.460734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058129
observed 7223c41f96e3f33c4cc11f2b22edadff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:48.441764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058129/manifest.json
observed 233bcdc8a55003ee64624cfa5f7025ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:48.421561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058129/publication.md
observed b3a298abf674be3c345b66c086d891ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:48.403723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058129/publication.txt
observed c2f77e23074ecfae45b845dcd37dc2dd...
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.