OpenTechnical

OT-2026-000023909

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, sustained 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-2026-000023909) never changes.

Identity and time

Publication numberOT-2026-000023909 · never reused
Internal UUID01a0ae70-aed6-732a-9080-0ea2a9818462 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023909
StatusPUBLIC

Content hashes

Canonical text24e0c2d4c075671f6533cfbb716331266bcbf5b24ba9a4ea64a6b70618694975
Markdown4ab21832b8bc799811406d8a3a25f85705d1a0fac63336d92d23ca1f7e88120a
PDF
Publication page670458f079861d946200ab57fba39e9151ca8578701f91d61c549ee8f0d37fe9
Manifestb7fdc5c5c4b51e9a85d0009994c876d22c5a8746fdd32c8d4aee3fe0d27cd64c

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
Signature+ufTX8l8x6QSIYyEklexbWdUaqFaYLUSpRiJBfo8VaVerEWhd+wgf2QdVbfk4rDY3lAQZTmA3osaV/DMcMKsCw==
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

2026-09-17T11:50:31.686780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023909
observed 670458f079861d946200ab57fba39e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:31.665781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023909/manifest.json
observed b7fdc5c5c4b51e9a85d0009994c876d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:31.645104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023909/publication.md
observed 4ab21832b8bc799811406d8a3a25f857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:31.621116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023909/publication.txt
observed 24e0c2d4c075671f6533cfbb71633126...
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.