OpenTechnical

OT-2026-000103286

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000103286) never changes.

Identity and time

Publication numberOT-2026-000103286 · never reused
Internal UUID01a0aea4-be3f-7fcb-8287-5822d7cc3b73 · 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-2026-000103286
StatusPUBLIC

Content hashes

Canonical text454d12c158e468e68378d1c17024e62beb77fe628445adcd7a97e42f7f76e892
Markdown6eb26365166cd562de4187d3b428a794e0a487f82703ae739551296b7503a9a0
PDF
Publication pagea1cdb3fc87e51c772cc7d30f85588bf23a620ef4c98db08d5ecc1b47be8ca62a
Manifestab7480cc04d73a56fc85735845f73dfa6fc5d9f9e16d0933b078e201a250fb58

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
Signature0v7l6f3bUhQm1j3wEVtfHIgsD1n8R7ZeID3ca3SBz0l4BN/xC5bvoGEf7yxMjY63AHgrTBIxFPaF5NeqAW8pDg==
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

2026-09-17T09:23:31.806408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103286
observed a1cdb3fc87e51c772cc7d30f85588bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.789763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103286/manifest.json
observed ab7480cc04d73a56fc85735845f73dfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.771481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103286/publication.md
observed 6eb26365166cd562de4187d3b428a794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.753506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103286/publication.txt
observed 454d12c158e468e68378d1c17024e62b...
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.