OpenTechnical

OT-2026-000018371

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000018371) never changes.

Identity and time

Publication numberOT-2026-000018371 · never reused
Internal UUID01a0ae6e-b489-7bc1-931a-6e7ff83e5d01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018371
StatusPUBLIC

Content hashes

Canonical text3ea3baeb53cfbbf84332988a22faa6bb51f4c1d557f21e7370beca95d2250d21
Markdownea8cdc86f9aadd71d1b8f2ce4e8094a430e8618836cf9088236c139b6297b3dd
PDF
Publication page42b0a6da8a41e1a07c359b70360c657fd1b6c307ba0643669725e9a116f04ff4
Manifestcdabedf9cc3af40f062449a9baa961877d73f8e679a04f19e42033ae79c451d7

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
SignatureOsvK4ZY6udr3S4vfTqxaO9dJwdhrCivae15HkXSpnb65T9Dd+BBnxYvHJjPd0FOHQoTS4MjXteb+yYH4PnGRCw==
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

2026-09-17T12:01:06.516338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018371
observed 42b0a6da8a41e1a07c359b70360c657f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.498297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018371/manifest.json
observed cdabedf9cc3af40f062449a9baa96187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.479036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018371/publication.md
observed ea8cdc86f9aadd71d1b8f2ce4e8094a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.460784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018371/publication.txt
observed 3ea3baeb53cfbbf84332988a22faa6bb...
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.