OpenTechnical

OT-2026-000069080

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000069080) never changes.

Identity and time

Publication numberOT-2026-000069080 · never reused
Internal UUID01a0ae90-6dce-7ace-876f-7835e11e4bba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069080
StatusPUBLIC

Content hashes

Canonical textc45ce36799a2f0957b779b2128541914c4d05f433f0245524f1f1fe452c2c156
Markdown5b6bdb68a22ccf392cafec25b09b73a8daa3d10b3d4ab1982692fd426ed3c7f5
PDF
Publication page77e44545d65113f436572d1eb98f635afdad460cc104a04301867ff0316566b4
Manifest1bbe2c2b2d273270d3b96c3537939cdbb36c317b8b8be614e737927c6d146f95

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
SignaturePWOb79dLPugeTh8lzoCJFHb2vp/MIPwSn3HcOiD8hH5NYIvE8GcJp8DZKdouw6+sgNTGxl1hhUDOYCLocgWLBg==
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

2026-09-17T10:28:56.857646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069080
observed 77e44545d65113f436572d1eb98f635a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.839970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069080/manifest.json
observed 1bbe2c2b2d273270d3b96c3537939cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.821727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069080/publication.md
observed 5b6bdb68a22ccf392cafec25b09b73a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.804450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069080/publication.txt
observed c45ce36799a2f0957b779b2128541914...
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.