OpenTechnical

OT-2026-000011517

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000011517) never changes.

Identity and time

Publication numberOT-2026-000011517 · never reused
Internal UUID01a0ae6c-88ff-7eda-a584-659029dea095 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011517
StatusPUBLIC

Content hashes

Canonical text6e367c97a68047c4f7a94a38e414e1c9a5a7c4d460660e174879e9fc974385a9
Markdown7de3d4606239300692e819cf10dafae45a965170b2eaad123dc02af3f260d34e
PDF
Publication page783e1564f789be003317d30a8adedd2ef359a63cb3576db67e8b7fad884f2ace
Manifest067872e6c3b2a01c0b5fb7bf94606b1feb2097394da558ffdebb32b6580cd22c

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
Signature/oJXTq9lDv/MyW3TI/Xcl7a7I/RnMrpBnuK5VzdLnImL/YOsXN8dIDCNFMikQf0nqU1C8ZMqw2uSYjg11kdrCQ==
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

2026-09-17T12:13:18.156986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011517
observed 783e1564f789be003317d30a8adedd2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.138955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011517/manifest.json
observed 067872e6c3b2a01c0b5fb7bf94606b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.050212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011517/publication.md
observed 7de3d4606239300692e819cf10dafae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.005338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011517/publication.txt
observed 6e367c97a68047c4f7a94a38e414e1c9...
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.