OpenTechnical

OT-2026-000024159

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000024159) never changes.

Identity and time

Publication numberOT-2026-000024159 · never reused
Internal UUID01a0ae70-e8c7-78dd-9bcf-9f519d340bbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024159
StatusPUBLIC

Content hashes

Canonical texteffb971ef9669ef4930b0adcd2ed263e79a8432427356d6e522d5c73785731d4
Markdowna840dae053c26999ecc0bdba4bdca00c2d5a10fda6c53963676fdb3bdae276a5
PDF
Publication page760d48e5733d8752ca1da4745b09bd580a9873c159b374b46424dce83da09749
Manifest83168a208decdab226268355c5734778e966ce889897a8a1e34799a54c8b277a

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
Signatureh69hnyotGLC1EkCwCRbbWbmCRawBtWiIkDVDm2v/Pkj1KTQ0bUwEa6YQi9L8qLPyli8DyJzE5HUc7IUCN1roBQ==
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

2026-09-17T11:48:35.864462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024159
observed 760d48e5733d8752ca1da4745b09bd58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:35.840310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024159/manifest.json
observed 83168a208decdab226268355c5734778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:35.822326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024159/publication.md
observed a840dae053c26999ecc0bdba4bdca00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:35.804625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024159/publication.txt
observed effb971ef9669ef4930b0adcd2ed263e...
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.