OpenTechnical

OT-2026-000022240

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000022240) never changes.

Identity and time

Publication numberOT-2026-000022240 · never reused
Internal UUID01a0ae6f-f4fc-7033-88c4-bc1697ca20b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022240
StatusPUBLIC

Content hashes

Canonical text14c07276940938741701831657389c8fd25febe674c3f00ea225b72fc1dc3dae
Markdowna2e8de0fce2f07c0c5411d10423d7456eb7eba5846678372c77595cfe36ccaf5
PDF
Publication pageba9352622eadf753e2d21b2b7702deba9362a6d589cbf8e659d0491bc6833867
Manifest8fb237e5127b52cc6f5f8309d331a54532f33eb257cfeb71da68579b357c9b5a

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
SignatureTxjC+5KdavEB4H/+fQOi5Sk4VP0eOeagHAf8xfFkmPQ/U6KA5Va4mvNoRGLjCzVpZP/islJlnBUDgwX12QavCQ==
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

2026-09-17T11:52:56.084907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022240
observed ba9352622eadf753e2d21b2b7702deba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:56.068640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022240/manifest.json
observed 8fb237e5127b52cc6f5f8309d331a545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:56.048232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022240/publication.md
observed a2e8de0fce2f07c0c5411d10423d7456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:56.029314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022240/publication.txt
observed 14c07276940938741701831657389c8f...
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.