OpenTechnical

OT-2026-000045509

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000045509) never changes.

Identity and time

Publication numberOT-2026-000045509 · never reused
Internal UUID01a0ae7c-f76d-7ed9-b73d-d942eae0f047 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045509
StatusPUBLIC

Content hashes

Canonical textfb62a7cbc1a1caf1822607232a39bfd779487f3af0e5823001c6271f5c833319
Markdown5551fbe1e5fd6888b9f6604c50e79296480aa55fa132f94306f65ae0a3b16521
PDF
Publication pagee9413c4e7fb88ee3092d97345841c69d4597cce1dccc2c5ffcab39404b0ffe36
Manifest0a9ac8cb1295fde2ae927357cafa9ca0408f9d7464752bd97c80aa58fb86440a

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
Signaturee/XgMHyvHOAIO06a7dxs1xc130ax3ixroE7X9XgDsFZzKH4PEOTiGfWE7xutHDyDPlo4ygO1Nf34Mj3i2FiqAQ==
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

2026-09-17T11:11:19.792713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045509
observed e9413c4e7fb88ee3092d97345841c69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.774751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045509/manifest.json
observed 0a9ac8cb1295fde2ae927357cafa9ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.756289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045509/publication.md
observed 5551fbe1e5fd6888b9f6604c50e79296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.740081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045509/publication.txt
observed fb62a7cbc1a1caf1822607232a39bfd7...
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.