OpenTechnical

OT-2026-000043348

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000043348) never changes.

Identity and time

Publication numberOT-2026-000043348 · never reused
Internal UUID01a0ae7b-327e-7698-aa23-918eab31a016 · 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-2026-000043348
StatusPUBLIC

Content hashes

Canonical text7f3ac5ac170c4624f0be418c4df8f5acc69a1e282ffb2ed56f1e00220d317fd5
Markdown330b00b724f4d864d3e192da57f0cd0343508c99ea85e97544b6b695835783b7
PDF
Publication page195af58fef30ca94e75ab2d94cdcb9773523e0aac6a18a44751b03e11e9ed2b3
Manifestcca7e2e6a9f66db314b448c8ca57c8d434b21ec6d021f35e89a0a42c9d764de3

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
SignatureUnVDTGfFk2dk6zIqIPg3rB4RJNZJn97MSq1vOvoNm1RyqoG9iGJ7BfTWCeKv8cdH8XpEso65/Ir7eHVTBcQsCA==
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

2026-09-17T11:13:51.835847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043348
observed 195af58fef30ca94e75ab2d94cdcb977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.814093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043348/manifest.json
observed cca7e2e6a9f66db314b448c8ca57c8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.793792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043348/publication.md
observed 330b00b724f4d864d3e192da57f0cd03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.765175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043348/publication.txt
observed 7f3ac5ac170c4624f0be418c4df8f5ac...
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.