OpenTechnical

OT-2026-000015593

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000015593) never changes.

Identity and time

Publication numberOT-2026-000015593 · never reused
Internal UUID01a0ae6d-ef4c-7974-80dd-38d3ba94a498 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015593
StatusPUBLIC

Content hashes

Canonical texta71fce058200513fb35e0a555bebb31a05ed282df0681a110fdf8af84c8e61db
Markdown13cda8a7ec3ab363ec9e2def6ab89a4588a7f63e2b1f28aba3dfaef2acc8a605
PDF
Publication pagee42723e8520832dd5e7d9314e7d85289c03479dfc5ca7c06abde54c15f4b84bf
Manifestecc2ad7ffbe0c259d416319e2b2b0efecdd55620757df339fc33b753b10aeade

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
Signaturem0KKZhSAbzgN+piMVvEfQiy01GACkRfc/4ZyoyK6/6eDouU+Um7w5h6bAjwpS7jGz56a0UiKmApMl06eheuvDQ==
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

2026-09-17T12:06:23.586236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015593
observed e42723e8520832dd5e7d9314e7d85289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.566669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015593/manifest.json
observed ecc2ad7ffbe0c259d416319e2b2b0efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.547944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015593/publication.md
observed 13cda8a7ec3ab363ec9e2def6ab89a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.529224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015593/publication.txt
observed a71fce058200513fb35e0a555bebb31a...
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.