OpenTechnical

OT-2026-000060593

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, vented after 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-2026-000060593) never changes.

Identity and time

Publication numberOT-2026-000060593 · never reused
Internal UUID01a0ae8a-b7cd-76be-a161-f39a556d9ccc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060593
StatusPUBLIC

Content hashes

Canonical textbc624832b687531f5a823bd51c612ac3a892eec1a00e98b82e38e014032b9a4f
Markdown273b64c0be2174ffdcc40bde4f17840cec3d42054c76475cb4fb12f0b26b9d25
PDF
Publication pageb188fd0bbd3002e9e704e06af3b805de7f0614dc6bd5218df8733a02b5f0f95b
Manifest1c7253df5bf262094c30fc2f6760dcac82845ffda1d64a147e71155048b795fd

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
Signature2LKh+LEm7d6H9haUUtvfIBmsspn//ZaxJ6WBxsMA4FEy/qCejJtwZFZBs0c3JZSMJYF+sgBCfaEXj99WTpdnDQ==
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

2026-09-17T10:43:12.887141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060593
observed b188fd0bbd3002e9e704e06af3b805de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:12.871191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060593/manifest.json
observed 1c7253df5bf262094c30fc2f6760dcac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:12.854632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060593/publication.md
observed 273b64c0be2174ffdcc40bde4f17840c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:12.839044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060593/publication.txt
observed bc624832b687531f5a823bd51c612ac3...
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.