OpenTechnical

OT-2026-000049097

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000049097) never changes.

Identity and time

Publication numberOT-2026-000049097 · never reused
Internal UUID01a0ae81-134d-721d-932a-d1855d4a6e29 · 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-2026-000049097
StatusPUBLIC

Content hashes

Canonical textc84ae9fe718047b2579637e34feb4a6da56ee44556bcbebd014e6cafe7f53b69
Markdowncd2488b18514a126e52f63eb7daf0b01a3b90a6c77e34a9704d25d2ad7bec8c8
PDF
Publication page3d4683d86aa9bd574f7d23d60c3fcedbe48b4671374e78a6e5f604de077ed3a4
Manifest5cd5c608521977bd560c40f4014193d87476a031f7150566bf2e25ed023fc166

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
SignatureDrhwJA9o4DSXYT+OB26diGrfaqmmKCHyU1u+k4LqNOyW1AHc1zsNO86wLN4pbUzvQAz6wVzFaRg6ooure8AnBg==
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

2026-09-17T11:03:21.087354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049097
observed 3d4683d86aa9bd574f7d23d60c3fcedb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.069311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049097/manifest.json
observed 5cd5c608521977bd560c40f4014193d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.052424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049097/publication.md
observed cd2488b18514a126e52f63eb7daf0b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.033481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049097/publication.txt
observed c84ae9fe718047b2579637e34feb4a6d...
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.