OpenTechnical

OT-2026-000048713

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000048713) never changes.

Identity and time

Publication numberOT-2026-000048713 · never reused
Internal UUID01a0ae80-c32b-7ef9-8810-a182442ae9e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048713
StatusPUBLIC

Content hashes

Canonical text4eca27c738241355155c5e27d8a1bf729948d7e5a6a2f7dea061251dede4f286
Markdownc277d4205f0c7899c04c52c9a208ce73619ee6294ad4220c1cce8c854bad7ed2
PDF
Publication page8d20bde5545e3db86511472f0b4399af66d04e44b22a56d2e1c52b850b017092
Manifest9777feb2aac7bf96a1d7e1f268e6b89086be9341de1e2a02161be9aa2246109f

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
Signatureqe4BOtfs5b15LgEYpVNEoOLX8p35HUAjnWNWvCCzCN7WoDLTeOp6zXETLzdGyWA/OajhR5qWLd94B+e/Ch79Ag==
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

2026-09-17T11:04:21.249177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048713
observed 8d20bde5545e3db86511472f0b4399af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.227767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048713/manifest.json
observed 9777feb2aac7bf96a1d7e1f268e6b890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.205929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048713/publication.md
observed c277d4205f0c7899c04c52c9a208ce73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.185464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048713/publication.txt
observed 4eca27c738241355155c5e27d8a1bf72...
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.