OpenTechnical

OT-2026-000011987

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000011987) never changes.

Identity and time

Publication numberOT-2026-000011987 · never reused
Internal UUID01a0ae6d-1943-751d-93ea-4c18c5fb1893 · 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-2026-000011987
StatusPUBLIC

Content hashes

Canonical text988526a2b7168152976a9a5fd4bc16405bfb22c78222e0226d5bd82af4d810a7
Markdown6751bdc7982599ac4eb12eb1c3b938aa186f885da601d02584ab0de200dc489b
PDF
Publication pagee84c6f95051536f0be46d3f62cba545e54d6a8b5d87166cce39e918ab6d2f29b
Manifest66bc8186e81d0067d9a57e1eece7559c58b43a3d42c82fccb679675982c6b000

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
SignaturedRP9ajAg+lEKUM5uvWYnH1gi12P/4ICBBUOp96MK81rHyFgmNLWsob760x0jFCf2GUjoXwn/vs/4A/5QLmQBAg==
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

2026-09-17T12:12:50.841164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011987
observed e84c6f95051536f0be46d3f62cba545e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.821901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011987/manifest.json
observed 66bc8186e81d0067d9a57e1eece7559c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.801221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011987/publication.md
observed 6751bdc7982599ac4eb12eb1c3b938aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.781707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011987/publication.txt
observed 988526a2b7168152976a9a5fd4bc1640...
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.