OpenTechnical

OT-2026-000043295

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000043295) never changes.

Identity and time

Publication numberOT-2026-000043295 · never reused
Internal UUID01a0ae7b-327d-7aac-9788-b472bd0d7cbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043295
StatusPUBLIC

Content hashes

Canonical textf3f297611078f778d8ba14f9531f20bd045dbc8f6a26ace0d2c7571231eef64f
Markdown490b6f3cd571f6eb253c29bb6e4d3cc56878421f7ced6d55e39b869332af17ed
PDF
Publication pagedb5bb2f0daf838f8d902e00a989e4541d35010c6dea3d03c7ad4242d940f02ff
Manifest38dcd31e0cce5080b0ad7dc0e0ec4074769676666c1c583c1699b271b8d57cec

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
SignatureyFEXw7lniM051rNBfDgWxQGDCqZjNt4G4nXWJFNeQCPuLfcf3Lvl3C97AUx4xyuT+7YIiTm1MGX29Gb6E0iNCQ==
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

2026-09-17T11:13:47.445789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043295
observed db5bb2f0daf838f8d902e00a989e4541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.427366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043295/manifest.json
observed 38dcd31e0cce5080b0ad7dc0e0ec4074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.409163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043295/publication.md
observed 490b6f3cd571f6eb253c29bb6e4d3cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.391189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043295/publication.txt
observed f3f297611078f778d8ba14f9531f20bd...
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.