OpenTechnical

OT-2026-000100512

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000100512) never changes.

Identity and time

Publication numberOT-2026-000100512 · never reused
Internal UUID01a0aea3-66f0-7c3f-8467-a338328f7b03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100512
StatusPUBLIC

Content hashes

Canonical text19e2b5c8c40d9009a30711f78a4173bdbf65f42d34bf8519ee83c874ea644380
Markdown80465dd33741c26f2c9d6b1017ecbced78443bbb1fa7aeb421e937231387e2e8
PDF
Publication page19624f7d57dc9fce3b29b99231fb9bb954d8ab3296704ea369d72553b2547ad0
Manifest5278e4d0db5109e36cc516e7b4f3c501e6624dd942f7a000b9d46a998b41f094

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
SignatureM9/hE2JgjaA2KJBJuysI1e6qQNKtB1OgW33NSwD8RfPqv5Kq9NJU99MWucpUIu5xhXheerfxCTFEZQozIiIxBg==
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

2026-09-17T09:27:16.699508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100512
observed 19624f7d57dc9fce3b29b99231fb9bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.681414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100512/manifest.json
observed 5278e4d0db5109e36cc516e7b4f3c501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.665356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100512/publication.md
observed 80465dd33741c26f2c9d6b1017ecbced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.648540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100512/publication.txt
observed 19e2b5c8c40d9009a30711f78a4173bd...
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.