OpenTechnical

OT-2026-000049294

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000049294) never changes.

Identity and time

Publication numberOT-2026-000049294 · never reused
Internal UUID01a0ae81-1350-7ac1-8dcc-909319dbdb8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049294
StatusPUBLIC

Content hashes

Canonical textec6efd1060cd3cf0b3d8f964d3d727fe503766b182f6d1c7bdc50b0c1eb4a036
Markdownf2c77e4cbf7b885911365a126721db68f7b0ce936f87b675aedb0140603d89af
PDF
Publication pagee794ef91294377e4bd7aa6e593dd5b9c34bcd873393929d80f84de260f1da7b7
Manifest3abaf9d03f5e8b458927084efc31ababdf7922120b37f6ddb73d359822dce1ec

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
SignatureCvbbBXw0FsE06EE87Rs+4EHW08AbVhBBOe9GZ4sxBGAkgvJB68ydVBQF6YEr8ojsOSIyFTTrUdlmQiAW132GBg==
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

2026-09-17T11:04:09.373411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049294
observed e794ef91294377e4bd7aa6e593dd5b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.353931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049294/manifest.json
observed 3abaf9d03f5e8b458927084efc31abab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.334972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049294/publication.md
observed f2c77e4cbf7b885911365a126721db68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.317523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049294/publication.txt
observed ec6efd1060cd3cf0b3d8f964d3d727fe...
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.