OpenTechnical

OT-2026-000049843

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000049843) never changes.

Identity and time

Publication numberOT-2026-000049843 · never reused
Internal UUID01a0ae81-8ff0-718b-8709-5e10e666160c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049843
StatusPUBLIC

Content hashes

Canonical text4f650b442c229126d3886f352169d047620351d17bb106b4d5b4c2828a17c352
Markdowne523dfb50d23acb82016a9fda73aa71a4ca93bc17267148183b649633d1f43d0
PDF
Publication paged08fd0e28043c2447e5e03505b04a1ab148509ccfc92007579c6ce0f016e2612
Manifest24d03f0018a95be68cd502161d8b54516654585e4c227c269919aa4c391b0666

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
Signature9XTtlXA5JyG8x2KSGsl0C7yLduTSzRvaRB+lykgN9NnTi6q0XbvD28ClOX9uMUFZ32pvaPp23w/lfPDLaop4Cw==
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

2026-09-17T11:02:59.005533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049843
observed d08fd0e28043c2447e5e03505b04a1ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.985746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049843/manifest.json
observed 24d03f0018a95be68cd502161d8b5451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.965748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049843/publication.md
observed e523dfb50d23acb82016a9fda73aa71a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.945963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049843/publication.txt
observed 4f650b442c229126d3886f352169d047...
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.