OpenTechnical

OT-2026-000017400

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000017400) never changes.

Identity and time

Publication numberOT-2026-000017400 · never reused
Internal UUID01a0ae6e-76c9-77e2-83b2-2f84150f5181 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017400
StatusPUBLIC

Content hashes

Canonical text38e8d68bd2a3698fa0b59d601f7a1b761ec1377ca49c75b08f2c548d6b0be38d
Markdowna499020b08318e086bddd5883d5510f05cb788693b7a08ce2fd0a9d47378c3fa
PDF
Publication pageffa90adcd9bfed014266f23f130bdeb8091e5418424b89bce7ab76c4c7c4f10a
Manifest24427efd7796e8cdc07488c5b02ac3923f0ebed6c3232c6763d2e5aca6debb50

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
Signatureic3TnqC7PH0Apv6vf5fnPJ0s1ReKw350KHXDNMFh9lYr7p7OOod50umCS3YrrOq3JsanWufSmlJ/uIY6trGNCA==
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

2026-09-17T12:02:31.585109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017400
observed ffa90adcd9bfed014266f23f130bdeb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.568144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017400/manifest.json
observed 24427efd7796e8cdc07488c5b02ac392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.552177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017400/publication.md
observed a499020b08318e086bddd5883d5510f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.534569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017400/publication.txt
observed 38e8d68bd2a3698fa0b59d601f7a1b76...
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.