OpenTechnical

OT-2026-000050523

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000050523) never changes.

Identity and time

Publication numberOT-2026-000050523 · never reused
Internal UUID01a0ae82-5c49-713f-a0ad-1733fdd65951 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050523
StatusPUBLIC

Content hashes

Canonical textad2a73d1d1390044e60e045b2a0759b3b0b72d9a64904e16043501e62595599c
Markdownc2bc5ef2186369154dbf79dd716996305282f4ae7ca9e1b400912afb89ce59c8
PDF
Publication page3eac2e006f6efffc99214d95de79a32ecc52e0e2bbdb73ed309c6effcd205f58
Manifestfba7c3de4408c14481009d2e886f79b59e758dece9b0d9db2398e747f8f520ae

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
SignaturevgajcJCayDBLczgwNLMDFbTLF8kE0YinwIYQpSQz4TZwhcIaUM68XpSERVZQDOVys18b52HjtesfEYEE/rbWBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:36.993599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050523
observed 3eac2e006f6efffc99214d95de79a32e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:36.975067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050523/manifest.json
observed fba7c3de4408c14481009d2e886f79b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:36.957470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050523/publication.md
observed c2bc5ef2186369154dbf79dd71699630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:36.934985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050523/publication.txt
observed ad2a73d1d1390044e60e045b2a0759b3...
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.