OpenTechnical

OT-2026-000048007

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000048007) never changes.

Identity and time

Publication numberOT-2026-000048007 · never reused
Internal UUID01a0ae7f-c422-7167-aad1-c728668bf7d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048007
StatusPUBLIC

Content hashes

Canonical text96ce716b1ffbe1bee469627b8b8f69c6ed51a54d49ea6bc4926b9cfc137b8754
Markdownf8d4e06253df97e3ad10f278ea53eee73ff00a0f03ded6e1a2a155f82fa171ba
PDF
Publication pageb940ede17cae0e5bc4fecbf7162b109b09ae7c95c383378647ac24903dd5506c
Manifest66f5838c4f02582f18e64b8529db6032212996ebd367c3ea9cd911e614ff78dc

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
Signature2tbmzn+OReuIKSU4jB1pKqILqYJaULtvkfJkZUMQt3hag31SXV70HjuaLMfqcCQbTFB4QqW8ZZitm5t+EZvRAw==
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

2026-09-17T11:05:59.819498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048007
observed b940ede17cae0e5bc4fecbf7162b109b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:59.800813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048007/manifest.json
observed 66f5838c4f02582f18e64b8529db6032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:59.781917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048007/publication.md
observed f8d4e06253df97e3ad10f278ea53eee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:59.764483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048007/publication.txt
observed 96ce716b1ffbe1bee469627b8b8f69c6...
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.