OpenTechnical

OT-2026-000068024

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000068024) never changes.

Identity and time

Publication numberOT-2026-000068024 · never reused
Internal UUID01a0ae8f-c4fe-791e-9c87-eb01fce00f6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068024
StatusPUBLIC

Content hashes

Canonical textfa3f94fd03aaa3f7988a351f562d7358d36b276647d85130ab46e059e3295a8c
Markdown02dcdbbf29ed669594e51d42d1fa3d471ee86c6465cf9ba4b713b437e6554d65
PDF
Publication pageeeb7d3acae87d1ada26fcad1dc54084c4a4b7b1eb40f945090a1a8de944a7fa8
Manifestb40ddb05efb5440cc5c6a79e166db5884fd5d41c3dbeb8a96d204d9e25a78644

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
SignatureBl0EZnNhvDU6UjvjWKIaTHY4iFAO9nnQFR+itontzpm1+OZcOxMxTwL7JE4N+WfCM4f9dRNr+jFION8zf26yDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:35.059756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068024
observed eeb7d3acae87d1ada26fcad1dc54084c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.041048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068024/manifest.json
observed b40ddb05efb5440cc5c6a79e166db588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.022431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068024/publication.md
observed 02dcdbbf29ed669594e51d42d1fa3d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.003825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068024/publication.txt
observed fa3f94fd03aaa3f7988a351f562d7358...
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.