OpenTechnical

OT-2026-000104346

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000104346) never changes.

Identity and time

Publication numberOT-2026-000104346 · never reused
Internal UUID01a0aea5-3421-7fa0-ace8-cf894f24d52e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104346
StatusPUBLIC

Content hashes

Canonical text4164f9dedddd0945cb3fa8c62352c8f41e1711ee761d72cd35473223a92350ab
Markdown0b6da0fb3fead7b931f8bfceed177db70a8e1efb68ebef1f4c0c330cedb30c47
PDF
Publication page14b53b5e5b15b22abd100e367ea779ae333ede06cbe33baa4f9cbc5dfb9f347a
Manifest17632571729a19b768547538607f225424cf32a085d58b5dd8e326649387aec1

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
Signaturer7KwgYoAQTABww1oQN+9Nzv5j2gzW2Y2e2c2iF5HRS65gjq99/RxZsx/M7QLy7XQriSL1r0Qk92l6qxDtlYlCw==
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

2026-09-17T09:21:36.134657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104346
observed 14b53b5e5b15b22abd100e367ea779ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:36.117292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104346/manifest.json
observed 17632571729a19b768547538607f2254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:36.100091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104346/publication.md
observed 0b6da0fb3fead7b931f8bfceed177db7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:36.081017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104346/publication.txt
observed 4164f9dedddd0945cb3fa8c62352c8f4...
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.