OpenTechnical

OT-2026-000080534

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000080534) never changes.

Identity and time

Publication numberOT-2026-000080534 · never reused
Internal UUID01a0ae96-7e79-7c57-a64b-ffd52da72056 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080534
StatusPUBLIC

Content hashes

Canonical text13961eb243cfa5f0c44281be05eee004a98dc95ec1d3cd1144d5f120cea609e8
Markdownd5fda02819b02a169a86f5846847d971001bd19328e33d7ed299df71f60e2be5
PDF
Publication pagee19584394ab319fcbd492e672a3ae47f04004d52a48db91a68bd66b08c57a955
Manifest697c41fb13dc814b514d346633f7e77995e275249a8ccc64c7ed0fd5b8d57211

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
Signature5py2uYUTuC64+HcLAB9T00obkWQRh4C9hnCBOtoIou1DVTSm3dUgg6wPefqNnesE9h6nM+juRfNOKHom1IcdCg==
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

2026-09-17T10:03:03.499582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080534
observed e19584394ab319fcbd492e672a3ae47f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.481845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080534/manifest.json
observed 697c41fb13dc814b514d346633f7e779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.460152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080534/publication.md
observed d5fda02819b02a169a86f5846847d971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.440674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080534/publication.txt
observed 13961eb243cfa5f0c44281be05eee004...
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.