OpenTechnical

OT-2026-000049083

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000049083) never changes.

Identity and time

Publication numberOT-2026-000049083 · never reused
Internal UUID01a0ae81-134d-7cf4-b069-555ce2cd5922 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049083
StatusPUBLIC

Content hashes

Canonical texteb4ef9b73563a3fac44873c47bd8ad9cc49ba98b6b3dd4f8a34f8e7966e6c466
Markdownb9834e07a0bceb3ee684f588569ec6a40f9ccbb9e1e03dd8addef7725fa09315
PDF
Publication pagea798c758271cecd4fa99bd59be0ffb89f743fb1016d166b4ba9eb4957a62b72e
Manifesta76d6144c6a92f043cd3247ae38285e96b9649aa9cf47fe2a7bed49e887e958d

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
Signaturel6j+XlC9ysE7NBNlVgUkgsEyB/1HtDrcKSXia3TeGQwe4Je9XEUMP4kkwp/PdJrHAq/red04sFozovwODM90Cg==
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

2026-09-17T11:03:19.541109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049083
observed a798c758271cecd4fa99bd59be0ffb89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.522760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049083/manifest.json
observed a76d6144c6a92f043cd3247ae38285e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.503577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049083/publication.md
observed b9834e07a0bceb3ee684f588569ec6a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.483974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049083/publication.txt
observed eb4ef9b73563a3fac44873c47bd8ad9c...
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.