OpenTechnical

OT-2026-000032173

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, pulsed 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-2026-000032173) never changes.

Identity and time

Publication numberOT-2026-000032173 · never reused
Internal UUID01a0ae74-f7a6-7599-8379-e8337e6c5f57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032173
StatusPUBLIC

Content hashes

Canonical text78100e8e61e381e32172a5f6dc5e849b0c36c5f4266d89f83ff2c76dc2453103
Markdownf1db36c55f6e8e0d318a5f6eab81886fc0780c7a5ab384ff2942f3ca768be5b9
PDF
Publication page5cd47fe16310e53c2b8b8a0383eaefe4c80ddeca09b8f5c9072a6d86c69cf759
Manifest36e8c4ef238169057f25a8515c319ee321979c4ccd55439f13c0f309d8cacf27

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
Signaturei77b815jXqECFZAAoIAYHCxvKCXK3eG90D+XzHZPOybxPRibVIFD5kVrxnbLik7t8FIQPWbAFXxKqS60nc1vBg==
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

2026-09-17T11:34:30.425962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032173
observed 5cd47fe16310e53c2b8b8a0383eaefe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.406566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032173/manifest.json
observed 36e8c4ef238169057f25a8515c319ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.375634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032173/publication.md
observed f1db36c55f6e8e0d318a5f6eab81886f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.344877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032173/publication.txt
observed 78100e8e61e381e32172a5f6dc5e849b...
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.