OpenTechnical

OT-2026-000017928

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000017928) never changes.

Identity and time

Publication numberOT-2026-000017928 · never reused
Internal UUID01a0ae6e-96fc-70fd-ae93-82c750bdfb35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017928
StatusPUBLIC

Content hashes

Canonical text02fe833d8fbb218653f8dc4591d6ae3b241ae59a243ff2e2019aeeab82f81e2e
Markdown9ffd61ccaf083c7d5e9f36d78d1bbf32fdf2289736b1ea3ab9430e9cf3f9bbc3
PDF
Publication page3873ea476bb14011f253eebe1eca0dbbb690ff56e052f07b8a78222646c29893
Manifestd6cb2adbbff82bae3651743add894eb12b9654825206dd8516a41bbd671c1884

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
SignatureznlwUZOWFaU7d+fsMSbzWcmRIBUJKT9NeBUAUD8XDKBveWaRXvOxMASFe/+gvlnmcd7w3GXOFqdZdXlwRPl+Dg==
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

2026-09-17T12:01:55.364547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017928
observed 3873ea476bb14011f253eebe1eca0dbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.346905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017928/manifest.json
observed d6cb2adbbff82bae3651743add894eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.331441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017928/publication.md
observed 9ffd61ccaf083c7d5e9f36d78d1bbf32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.315495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017928/publication.txt
observed 02fe833d8fbb218653f8dc4591d6ae3b...
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.