OpenTechnical

OT-2026-000021469

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off before 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-2026-000021469) never changes.

Identity and time

Publication numberOT-2026-000021469 · never reused
Internal UUID01a0ae6f-865d-7b78-8092-dbc8c332dccc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021469
StatusPUBLIC

Content hashes

Canonical textccfadb531e462a72c0bccf805cf0d6c7371c8d406d9d6a9c55b0948b90fce52d
Markdown9e09b51a6a1701e55f0ba1f900377192e369676a88e641a1dce33327013208b9
PDF
Publication page7f81ffb43955af4eaa3ee87dec570e23b44fefd7cf377da39fd022b837324a03
Manifest60c48f8ae4d11984b28e64c5efe3b8448bf66647c31b7ca5ac71099fe04f8f8f

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
SignatureM7jFeviqRh5petL7cgh9WvHSl1BZ0dB25eLw5uLldX3Mj+dn+KdJOqqZDT+dck8SBQXyknbOJhSei8iADLwBAA==
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

2026-09-17T11:55:23.002604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021469
observed 7f81ffb43955af4eaa3ee87dec570e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.984627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021469/manifest.json
observed 60c48f8ae4d11984b28e64c5efe3b844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.966925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021469/publication.md
observed 9e09b51a6a1701e55f0ba1f900377192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.949021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021469/publication.txt
observed ccfadb531e462a72c0bccf805cf0d6c7...
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.