OpenTechnical

OT-2026-000011784

Publication integrity record

Single bellows cup vacuum gripper, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000011784) never changes.

Identity and time

Publication numberOT-2026-000011784 · never reused
Internal UUID01a0ae6d-1941-78aa-9e1f-3e96dcafc9af · 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-2026-000011784
StatusPUBLIC

Content hashes

Canonical text6713fc8f3109795a827fa119d86208b195bafec90a249b5c467550b09ec707d9
Markdownc2dd650ac806b48b6a948c3dd175ab03ca8a9bfdf02858439bbbead1024242d5
PDF
Publication page8cc866032b4833fb054184571a48e4977660e7b83f9ed1a1cb6adbd342987bca
Manifest0d5702edf9ce095d042cd665d98d176c45e713d1ce7094669785aee150efae57

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
SignatureBz3z6tstoZBT2qOwewhYR+xsLKN4wLDfQouyrgxPpVtIiU9z60trdcNZrR90Z0m+2l2hMkdhaRs/PDuuIIPnBA==
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

2026-09-17T12:12:30.249785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011784
observed 8cc866032b4833fb054184571a48e497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.226450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011784/manifest.json
observed 0d5702edf9ce095d042cd665d98d176c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.206234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011784/publication.md
observed c2dd650ac806b48b6a948c3dd175ab03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.186582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011784/publication.txt
observed 6713fc8f3109795a827fa119d86208b1...
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.