OpenTechnical

OT-2026-000039556

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000039556) never changes.

Identity and time

Publication numberOT-2026-000039556 · never reused
Internal UUID01a0ae78-d8d3-7556-830b-14317213e026 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039556
StatusPUBLIC

Content hashes

Canonical text01684ba752a112beb735b0ca889a963e5b4b27b68b0c9210264bebbc26e8f313
Markdown218e4929a5e84578078c473614e8f9bef3ed21f99147f06dc60f0c99a0ff627c
PDF
Publication page95c9db54caab0ab5873d1fbbe72838e216f889399e67b757e391e1934f2643ae
Manifestd58d7ab5b230950347b4f1d7866b00dc0116239b3fb460d7970dbf26eddf3b5b

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
SignatureRgag0blPCefv4cUqYOV12Gje6skSKS5XlLRsU+77fUSfhHZ9+KIIyqfZ7bZL5oeovEY+jPC0uiqzk7FCCMtnDw==
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

2026-09-17T11:19:42.666232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039556
observed 95c9db54caab0ab5873d1fbbe72838e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.650241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039556/manifest.json
observed d58d7ab5b230950347b4f1d7866b00dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.634156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039556/publication.md
observed 218e4929a5e84578078c473614e8f9be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.611115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039556/publication.txt
observed 01684ba752a112beb735b0ca889a963e...
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.