OpenTechnical

OT-2026-000099763

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000099763) never changes.

Identity and time

Publication numberOT-2026-000099763 · never reused
Internal UUID01a0aea2-c977-716f-97ba-58d59b7f5d0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099763
StatusPUBLIC

Content hashes

Canonical textd8a7d80d3804251a43fd950109b611db31f3feef3f7e107262430bb8389212f9
Markdown033f5ec9f6a61f145a9efb7e28f72aa7a8459104bacdc3cec474f78d53124ddb
PDF
Publication page1475b59717bfccfc3a56df68052a716dab026001e20641d1474848b4a0f31149
Manifest18e8214a339b4b2ab94c9f9389b1dd8c04bce78c19f016ddaebd78838e9dab69

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
Signature7XfxgjAK9vJO+Lj8GAtoRAPLBhTWRv50xZ92IwkMVt84H242V/vsbLW9/ocGzAOCdJpqcd2JV6b7ipTF9ry/Bw==
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

2026-09-17T09:29:47.644141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099763
observed 1475b59717bfccfc3a56df68052a716d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.627343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099763/manifest.json
observed 18e8214a339b4b2ab94c9f9389b1dd8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.610135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099763/publication.md
observed 033f5ec9f6a61f145a9efb7e28f72aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.590468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099763/publication.txt
observed d8a7d80d3804251a43fd950109b611db...
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.