OpenTechnical

OT-2026-000011899

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000011899) never changes.

Identity and time

Publication numberOT-2026-000011899 · never reused
Internal UUID01a0ae6d-1942-7623-bcce-eec86eb993cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011899
StatusPUBLIC

Content hashes

Canonical text863b826d3f8db202a47b19182e44ee9b436cac2da16d0d25a8eb981dabf6375f
Markdown3fc99e52bc9504e8d15c318805126d4653b037af5606d5852ca5bd4c32dc57f2
PDF
Publication page4959a106c1cd5bcd7de5c17a360eb432da209da51426cadada0979cb234184fb
Manifestd0dcba3e0a15a336b07536e2aeab2dabdf28508aaf773e2859017e1f8c1dd576

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
SignatureAI6BW+K6rtYYFi1N890cULeud/aBW14TNHoFO6b9tiFmDip2mw6oDBuaNmnVAQVHWCPbtmagYlH6rIxpZKKYBg==
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

2026-09-17T12:12:39.453577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011899
observed 4959a106c1cd5bcd7de5c17a360eb432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:39.433267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011899/manifest.json
observed d0dcba3e0a15a336b07536e2aeab2dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:39.412034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011899/publication.md
observed 3fc99e52bc9504e8d15c318805126d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:39.391582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011899/publication.txt
observed 863b826d3f8db202a47b19182e44ee9b...
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.