OpenTechnical

OT-2026-000084153

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, sustained blow-off before 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-2026-000084153) never changes.

Identity and time

Publication numberOT-2026-000084153 · never reused
Internal UUID01a0ae98-5b5f-7a56-926d-e597e750baf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084153
StatusPUBLIC

Content hashes

Canonical text70c61758c004bb4262d3a8b6ac9abe00ba22f995b5251d50732deb2dd8af6125
Markdowncb4e8d35f843c2c27fee87a921802cf21613235c23525b305f629f9adac25f8d
PDF
Publication page6faf7e0dafeddeb727919a3c73b100a9ba269593a1c88e8bd749548a35092d22
Manifest2d818fc29798266a21bb9d95364a325890421db4b0068b2a036874bd950b0323

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
Signature1IDqiuJoiAZy1573J4CU0YFhvj/Xkh6cEP/IAYeWiiJ2FV04+1Ml67EoSFSWXe6qUu8DvPwqFG3tbWTdXnWpAQ==
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

2026-09-17T09:55:55.305970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084153
observed 6faf7e0dafeddeb727919a3c73b100a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.288186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084153/manifest.json
observed 2d818fc29798266a21bb9d95364a3258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.267627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084153/publication.md
observed cb4e8d35f843c2c27fee87a921802cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.248092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084153/publication.txt
observed 70c61758c004bb4262d3a8b6ac9abe00...
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.