OpenTechnical

OT-2026-000029877

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000029877) never changes.

Identity and time

Publication numberOT-2026-000029877 · never reused
Internal UUID01a0ae73-ac47-753a-858e-2112be23b698 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029877
StatusPUBLIC

Content hashes

Canonical textd061de16e9e1c4034f8f4efd219d22305c488e0f0cc3e8ebded2fb577ca69de2
Markdown6663ed03b7609116d2506e474739dc1246bde1988d8e02fb0e37d80645b7ca89
PDF
Publication pagec2adcf5ec1cca5fbfa3beab95b1971fe0dee762a7c386e79362c57c477a44a62
Manifest5c3b87bdf7197d07b199464a637e0873f0f935856b93d603cc9d37b13ea8b869

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
SignatureRDiousqdxDTolU+B4a26sN1EKhom7jNb7j7dZQRNWTGs801qURkYVV/55ZPcIPhKbjLMybJFnC7ezwM6IeV3BA==
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

2026-09-17T11:38:34.471608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029877
observed c2adcf5ec1cca5fbfa3beab95b1971fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.454058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029877/manifest.json
observed 5c3b87bdf7197d07b199464a637e0873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.437653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029877/publication.md
observed 6663ed03b7609116d2506e474739dc12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.420882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029877/publication.txt
observed d061de16e9e1c4034f8f4efd219d2230...
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.