OpenTechnical

OT-2026-000019841

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000019841) never changes.

Identity and time

Publication numberOT-2026-000019841 · never reused
Internal UUID01a0ae6f-1fb5-752f-926b-708e1324c6f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019841
StatusPUBLIC

Content hashes

Canonical textff5884b44f34bf90db32600bff851345f688052f7f66d359f877927f793c5004
Markdown7fd6fffd9386c71cdf55666fc6b4d315afa54372a594fea03fc6a484931590e6
PDF
Publication pagec6091bb109766e0f0843d83151a87a7131c6b4e96ee03a5dce032f241ff55e48
Manifest5ad63da5637b08b2c7a9efc50e42023108ecacdefd825538d0a208bfc2e2cb6a

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
Signaturez3AmJxcVP46SdFDuAjloJ65DMlKTPlwK/efbszvJMfZGeL6TZ08UV1TfNXsmUNE/zc5GLpVC/wpiupSQ5pACCw==
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

2026-09-17T11:58:02.189735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019841
observed c6091bb109766e0f0843d83151a87a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.170138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019841/manifest.json
observed 5ad63da5637b08b2c7a9efc50e420231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.149742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019841/publication.md
observed 7fd6fffd9386c71cdf55666fc6b4d315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.129117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019841/publication.txt
observed ff5884b44f34bf90db32600bff851345...
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.