OpenTechnical

OT-2026-000049161

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000049161) never changes.

Identity and time

Publication numberOT-2026-000049161 · never reused
Internal UUID01a0ae81-134e-723a-801a-8706981083ba · 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-2026-000049161
StatusPUBLIC

Content hashes

Canonical textf872e3b4a3cf783d76b32713fce62a2bcfec0395bb09e194109416229fbcff6e
Markdown252ba747996c29715671b2de6620ab3c5250b9736c7e257b1d991bbab9d0ad7d
PDF
Publication pageb97d4f844b2ca3f963b27d988eeb953fb3d0105e375086d353ab7e0d54afde47
Manifest031ac3a6083b905315834c23c85f6b10ae7061eb367368999759d0025596a239

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
Signature4mf0ny/jKk5UZMSelEnB85SIv+6VchPqz/4adphWbISgFgrY5G0BFaOXy+Hc9aBQEmvMlv6hAgu6K7uzt4SCDw==
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

2026-09-17T11:03:57.475806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049161
observed b97d4f844b2ca3f963b27d988eeb953f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.457382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049161/manifest.json
observed 031ac3a6083b905315834c23c85f6b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.439291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049161/publication.md
observed 252ba747996c29715671b2de6620ab3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.421435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049161/publication.txt
observed f872e3b4a3cf783d76b32713fce62a2b...
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.