OpenTechnical

OT-2026-000040277

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000040277) never changes.

Identity and time

Publication numberOT-2026-000040277 · never reused
Internal UUID01a0ae79-2700-7df9-afed-aec62f3aa8db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040277
StatusPUBLIC

Content hashes

Canonical text04ffe0660a46739d3ad453d7b2da8fed367870d9e98716950340ab10b3464d6d
Markdownd211b6a6d3d30593d06dc8bb24accf059cd69f70c8b68a0e5a08eaea865120f1
PDF
Publication pagea436034561fe1d14a18dfe04a6a4deb1f54e09c4b6e1481a7f12063b0f461eac
Manifest2d318696ed2737962820128fb02af6cc4c1b23dc1877a654c1b178c34244e7d1

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
SignatureX/MoOk0Nv88BnSoQCPZuasyrgCvo1UkV+hub7QlNyJ9SrNQGuOanpa+vGKb2YPHKHd82UT4uCSTanhN7gbwUAg==
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

2026-09-17T11:19:10.368648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040277
observed a436034561fe1d14a18dfe04a6a4deb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:10.350547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040277/manifest.json
observed 2d318696ed2737962820128fb02af6cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:10.333550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040277/publication.md
observed d211b6a6d3d30593d06dc8bb24accf05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:10.315397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040277/publication.txt
observed 04ffe0660a46739d3ad453d7b2da8fed...
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.