OpenTechnical

OT-2026-000043535

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold 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-2026-000043535) never changes.

Identity and time

Publication numberOT-2026-000043535 · never reused
Internal UUID01a0ae7b-92cf-7b4a-922d-f10c260c44ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043535
StatusPUBLIC

Content hashes

Canonical text5d99153386a5c8b71be56a55a001929f7396adebe34414e95fe7ebc0ca2d50fd
Markdown480c99721e6ae3e78c4f75932fcf72f6366e49f339c4cf7424274d3b6b04143c
PDF
Publication page06873008bd91f0d948b5947b62fada2099aeb241681a4a13adfbefc3bf31efca
Manifest27a232af3e15f98c5b153df482bf08a4a50baf6880a352a914217d0ba515ca40

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
SignaturebaspCWrcxLc3ouoNi9eOihzP8OhqAri2nCq59shdLPmqePIerlIEBT/i4Bzu4SlnSsgiGis+Aq9vsiMljiE8Aw==
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

2026-09-17T11:12:54.943295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043535
observed 06873008bd91f0d948b5947b62fada20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.923399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043535/manifest.json
observed 27a232af3e15f98c5b153df482bf08a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.901322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043535/publication.md
observed 480c99721e6ae3e78c4f75932fcf72f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.880554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043535/publication.txt
observed 5d99153386a5c8b71be56a55a001929f...
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.