OpenTechnical

OT-2026-000035073

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000035073) never changes.

Identity and time

Publication numberOT-2026-000035073 · never reused
Internal UUID01a0ae76-6a1c-7317-adcf-1ade34b91098 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035073
StatusPUBLIC

Content hashes

Canonical textd7e2954c511813eb024a42d88e27c516a49c5f1bf2834c3b22b21eadfc2009c8
Markdown53d69280626b40f985b6854da52963649cb29d36428024770d77cd5fd38b5ab4
PDF
Publication pagecf45d914b37734355ca8b42b25444c7ac15a5509bcaf4bae926c34b9c5813cf7
Manifestebbaad7b406235d32d6c5faec2d3651b76ae394fa55febf2ebdf9970dbb7f6bd

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
SignaturecGxZEnZXCTgUSTf7W5iGKZyBrFCr+ZsFyZrnaK1ZlzikKBbHGq3XFye8SWpV3xGbMDPU4iiAl5n3ifmnfll2Ag==
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

2026-09-17T11:28:08.222259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035073
observed cf45d914b37734355ca8b42b25444c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:08.204058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035073/manifest.json
observed ebbaad7b406235d32d6c5faec2d3651b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:08.183606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035073/publication.md
observed 53d69280626b40f985b6854da5296364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:08.164442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035073/publication.txt
observed d7e2954c511813eb024a42d88e27c516...
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.