OpenTechnical

OT-2026-000067835

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000067835) never changes.

Identity and time

Publication numberOT-2026-000067835 · never reused
Internal UUID01a0ae8f-c4fb-7a36-83da-9eb884fdfba1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067835
StatusPUBLIC

Content hashes

Canonical textdb8ddd1514f0145a644d313dfc8185b8918d423f7e265f62788e6553c0138050
Markdown60111d9e21c1d79455d282a9e2dddc1b06d4a2d93d4cc8d3b3f74c95673554f6
PDF
Publication page42e616d4f34704114fcb4b67530ee0912ffb1bc431f0bf46773c783531bd156b
Manifest9f61c9c239551c94f75deab34e566e21dab54900bff1cc165bf0e33b2787d683

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
Signature3ado41vOgCB0clvk9o4ivxU6Ahg6Ywd52wQqOXby/xOjffzt8SW/R+O98FzKCQoSNuh215dOYZT4jxoCNI2WBQ==
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

2026-09-17T10:30:05.351929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067835
observed 42e616d4f34704114fcb4b67530ee091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.335128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067835/manifest.json
observed 9f61c9c239551c94f75deab34e566e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.316944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067835/publication.md
observed 60111d9e21c1d79455d282a9e2dddc1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.292207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067835/publication.txt
observed db8ddd1514f0145a644d313dfc8185b8...
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.