OpenTechnical

OT-2026-000011919

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-2026-000011919) never changes.

Identity and time

Publication numberOT-2026-000011919 · never reused
Internal UUID01a0ae6d-1942-7aed-8736-65a58d084e26 · 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-2026-000011919
StatusPUBLIC

Content hashes

Canonical textf8b027841b63360ac468f66bf25f75e2256d887de841dcbf41f6d7a1896c26ad
Markdown6ebea5082b19bebf65c49b4811c32f351dfe2a4f2c6ebe9e239a7843ea6c2792
PDF
Publication page11a31ee47adc535d11ebea55b567c6469a3d6ee532032235ced11469d27b2dc3
Manifest2e921670460f5da52f58da6cedb9c40ca60fa02df5858dd62ce9fb836b74f7ab

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
Signature0P5Wr27vQpART84yt60oVp7b7BdJzxEr3Or+8PjfHABuEXnTc5l9d1n0P+L2dY4eBhYggrTbSfVYkhvokh0LDg==
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

2026-09-17T12:12:41.098690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011919
observed 11a31ee47adc535d11ebea55b567c646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.080354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011919/manifest.json
observed 2e921670460f5da52f58da6cedb9c40c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.061313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011919/publication.md
observed 6ebea5082b19bebf65c49b4811c32f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.042688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011919/publication.txt
observed f8b027841b63360ac468f66bf25f75e2...
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.