OpenTechnical

OT-2026-000103207

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000103207) never changes.

Identity and time

Publication numberOT-2026-000103207 · never reused
Internal UUID01a0aea4-be3e-7feb-b10c-0a477e144b28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103207
StatusPUBLIC

Content hashes

Canonical text4465065c7f0bcd84ada8a5c09fe0c88427c54b5fd77e51e06e0d54c622212f75
Markdown68e3398b7ed6e0e38586db8cfb0b84dd81315a3475bfd1cd61f0a5d801609fe4
PDF
Publication page727afb5cf5d61940605fbb544f4a0b84996cf977928f426bb189517c08bcf959
Manifest1873b2a8f89fc9afb7501973cefb2fa1746aaf561d6f6b59f8e228043fb6d6e0

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
Signature49aXazVMtfZl/qG0TiSe1kT0jruGarj2RyXS8eTGtQGFuoP4tjbKOJg5JC7boec7llkVgnsNW+RsgxMZal//BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:26.058492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103207
observed 727afb5cf5d61940605fbb544f4a0b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.041255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103207/manifest.json
observed 1873b2a8f89fc9afb7501973cefb2fa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.024168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103207/publication.md
observed 68e3398b7ed6e0e38586db8cfb0b84dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.005396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103207/publication.txt
observed 4465065c7f0bcd84ada8a5c09fe0c884...
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.