OpenTechnical

OT-2026-000080195

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, sustained 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-2026-000080195) never changes.

Identity and time

Publication numberOT-2026-000080195 · never reused
Internal UUID01a0ae96-7e76-75e8-8d9d-d21282816979 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080195
StatusPUBLIC

Content hashes

Canonical textdb30492c5070f738feff9d9b391340e788b4e2af5d419bcfb76a810d5f1aec9f
Markdowna5efe7976c92267e26f51ee3269fb527426e1b79f7a8890bead5024217d24770
PDF
Publication pageb191a36930a757151f9f1e683f9b066ad784cd7334574ff4c6d2b0410c0ba6ce
Manifest2cd148f0c20e4a5926e160e61a430d8f7b67633a7ca8eed921ededf7ec398dc1

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
Signature7NIF38YDaddWOU6jMZDyUd60i3WuWjUF0OqDw8NXgPbqxXQcaMhDYLMsZs0ptw4Q3NDVOsZYoWAVzKUD7qcSBA==
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

2026-09-17T10:02:38.356142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080195
observed b191a36930a757151f9f1e683f9b066a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.337802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080195/manifest.json
observed 2cd148f0c20e4a5926e160e61a430d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.317590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080195/publication.md
observed a5efe7976c92267e26f51ee3269fb527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.297976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080195/publication.txt
observed db30492c5070f738feff9d9b391340e7...
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.