OpenTechnical

OT-2026-000014881

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000014881) never changes.

Identity and time

Publication numberOT-2026-000014881 · never reused
Internal UUID01a0ae6d-d095-7f7d-a3d7-c79c852a16cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014881
StatusPUBLIC

Content hashes

Canonical text96723c677de49d244dd0762515f50aac3a5c2f9441deaad661b8a756384aace2
Markdown8ff76b52b6c12795d6e2f592afb10138d091cca29b6a5a77fcd9244a3faf5ed2
PDF
Publication paged0bdad03d8c55b82b0a5ab1512a558897714840bfccbc240b06265f55b9269c0
Manifest3a6a6c7bc6448d7073af2078903ad2e98ca323496268e716c2c6c2164fe2fc76

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
SignatureqifS2pttSymd05endkBY9fcc0/6P19MqniC0VIqfcuyUKfleRGrMyq4EWVIuz36bzc/U7PLrFkb39tQqOIbIAQ==
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

2026-09-17T12:06:48.345265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014881
observed d0bdad03d8c55b82b0a5ab1512a55889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.326435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014881/manifest.json
observed 3a6a6c7bc6448d7073af2078903ad2e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.308302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014881/publication.md
observed 8ff76b52b6c12795d6e2f592afb10138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.288984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014881/publication.txt
observed 96723c677de49d244dd0762515f50aac...
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.