OpenTechnical

OT-2026-000042042

Publication integrity record

Foam pad vacuum gripper, three stage ejector, sustained 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-2026-000042042) never changes.

Identity and time

Publication numberOT-2026-000042042 · never reused
Internal UUID01a0ae7a-5d70-7b6a-a2ff-936d6cd951fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042042
StatusPUBLIC

Content hashes

Canonical text8f57fc734d142ab3599990c7ebb9036d22c50ad4b426c925d05d85fb479d26b6
Markdown14f11c7a0ed74ecd32406595a4d6406c4540cad1b38a3ce9b99623f6394c1caf
PDF
Publication page04fe6e9ddc174842e723fafb00f5b7198efdbea64df4ea105e04c66c9ff34c34
Manifestd359bcb90a69b079898c65a5cd58e05d56dd244f26aeb90862c53d34150a963d

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
Signature+qlAJSTUDhycViQpDkoOqecDFwPdtzUeDnRg+xtXQ+lHMtWCrt0vgDxjqACcViy+NZEC143kzHdWDzYjAsCtCg==
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

2026-09-17T11:15:33.298071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042042
observed 04fe6e9ddc174842e723fafb00f5b719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.280419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042042/manifest.json
observed d359bcb90a69b079898c65a5cd58e05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.263613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042042/publication.md
observed 14f11c7a0ed74ecd32406595a4d6406c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.242822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042042/publication.txt
observed 8f57fc734d142ab3599990c7ebb9036d...
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.