OpenTechnical

OT-2026-000013779

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000013779) never changes.

Identity and time

Publication numberOT-2026-000013779 · never reused
Internal UUID01a0ae6d-8de9-77d0-97f6-698605b1dd04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013779
StatusPUBLIC

Content hashes

Canonical text91173b21b31af0422ecc8c4fc3609e0bb2169b8fdae6e098ef19ee1a869ca1ee
Markdown80a3446ec02333983e2b456f6580539e418256fd80beb2ec5538dd7293f74417
PDF
Publication pagead360e012ca9cbdf96ac7d6ec7a29a980f754bae9dda2bf3b4ddf0db2ce2a095
Manifestcd473cd34f74c188b1705eda2c731056f82ee94fe8415d267cb722036dbe83e3

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
SignaturefKmftdkK55HZGf7iFJvNbcdKrYQi2ZERrSgPt2ZkLyu+7dBN6eoifMfimQhnGBiNmeTFVe754Je1QedwEOa0AA==
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

2026-09-17T12:08:51.782500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013779
observed ad360e012ca9cbdf96ac7d6ec7a29a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:51.761906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013779/manifest.json
observed cd473cd34f74c188b1705eda2c731056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:51.741409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013779/publication.md
observed 80a3446ec02333983e2b456f6580539e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:51.721562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013779/publication.txt
observed 91173b21b31af0422ecc8c4fc3609e0b...
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.