OpenTechnical

OT-2026-000067368

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000067368) never changes.

Identity and time

Publication numberOT-2026-000067368 · never reused
Internal UUID01a0ae8f-6bd8-7c2d-8648-4895ad441440 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067368
StatusPUBLIC

Content hashes

Canonical textc101684b081a4dcb6982406849cc627c9ac3312809760438cc3e3c162e279c94
Markdown4b5411742f8bc5a98d16067e66bc1d5a1caa989cc584c28653bc5087a7f2c24d
PDF
Publication page331ff856751f122ad4a243f2d44533e743ad64caed4143c98d453e99c5cbd3f5
Manifest835613a6bc7231d14d1231fa4936404a4d9c377b7273af2b72e0c3dd63aca6eb

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
SignatureOjvtaYeLEUaOyw2zYSkxJ7X1rppNkLqZqiMrjxmur1VUavXaw2/W3wx7tHWQQIaKDWnnqchq0/kRpn0t3uGSAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:33.264443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067368
observed 331ff856751f122ad4a243f2d44533e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.246725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067368/manifest.json
observed 835613a6bc7231d14d1231fa4936404a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.230033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067368/publication.md
observed 4b5411742f8bc5a98d16067e66bc1d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.212130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067368/publication.txt
observed c101684b081a4dcb6982406849cc627c...
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.