OpenTechnical

OT-2026-000040737

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, sustained blow-off after 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-2026-000040737) never changes.

Identity and time

Publication numberOT-2026-000040737 · never reused
Internal UUID01a0ae79-6d0f-7769-9773-940574d0b647 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040737
StatusPUBLIC

Content hashes

Canonical text170c73aab4c53e8c274dd704f048cd1dc3a97ef0b12dd77418a01eb2ff9b16bc
Markdown21693ab1c03f526e3fbb538721db71e98167c3a93189bb8aaecaa860661fc38a
PDF
Publication page94ba1069ed98b59524b933bb97960588d6315004c695402b7685b5ce03530745
Manifest61bca7fbb20c678b43291def901030b5f177cea19829fc2d61e2ece9be6fd8c4

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
Signaturej4I5ad60Wir/nBLVMagVMu9F2gh9Qsi3Fq7Qv6khpcHnSjueVt7hsrC+5klrWFM0XY5rN3bPzKlQ6vBt6KqsCA==
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

2026-09-17T11:18:00.598088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040737
observed 94ba1069ed98b59524b933bb97960588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:00.578454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040737/manifest.json
observed 61bca7fbb20c678b43291def901030b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:00.562900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040737/publication.md
observed 21693ab1c03f526e3fbb538721db71e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:00.545817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040737/publication.txt
observed 170c73aab4c53e8c274dd704f048cd1d...
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.