OpenTechnical

OT-2026-000034272

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000034272) never changes.

Identity and time

Publication numberOT-2026-000034272 · never reused
Internal UUID01a0ae75-df0d-7473-ab1b-5b5299c49838 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034272
StatusPUBLIC

Content hashes

Canonical text7b07e3c7a92a8ac4dc62aad6a09624c6980978feaffc3a521f5b15b3f423e336
Markdownaf76b34c1ecc3234ac85cfe10c56a717e365c1876626a4f268ffc48db6affd15
PDF
Publication pageb49756575b63f729c33ba31c0f670f87c8ff9ee93178e252b2e266755a8a8c04
Manifest4ef7e284a56e6f9355afb9b6be8688dc2173d346022ab256e98d3702f7fe7bf4

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
Signature3sykyKkziWHvAS9pco+TKZ2sPBSS3J7/mjODuqlCBz5KpO3/0FiJKVdkdNznbJV1LOzHsJUlCjiTqlBxvVZjBQ==
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

2026-09-17T11:30:57.004457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034272
observed b49756575b63f729c33ba31c0f670f87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:56.986023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034272/manifest.json
observed 4ef7e284a56e6f9355afb9b6be8688dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:56.959990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034272/publication.md
observed af76b34c1ecc3234ac85cfe10c56a717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:56.935229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034272/publication.txt
observed 7b07e3c7a92a8ac4dc62aad6a09624c6...
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.