OpenTechnical

OT-2026-000048940

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000048940) never changes.

Identity and time

Publication numberOT-2026-000048940 · never reused
Internal UUID01a0ae81-134b-7769-b14d-6bf49334912e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048940
StatusPUBLIC

Content hashes

Canonical text1df41ba989789d595e07b83e6febd6ffa86cf1d646d1351d7f07d8a3f55b343a
Markdownd14073ffa50a561eb0025986b186ba570bd083b5632259f1c5d9da78bff75d5c
PDF
Publication page3a61eff77a0b5112a3596da4922bfe94f2ae2486c9e1624e8e8e41144d075941
Manifest9f62d4dbd860e9d505c0e49b8478d3cc02823ee8238fef96e391c882ee60264a

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
SignatureTkS1QtKHN55LaJhrajv4R+h6y+iKQZdnwh3vf7QRDslgPsqTgB0TRBByMgQzW0FqtzmSlOz6KfrYdnZTm1aYAg==
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

2026-09-17T11:03:07.440806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048940
observed 3a61eff77a0b5112a3596da4922bfe94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:07.420630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048940/manifest.json
observed 9f62d4dbd860e9d505c0e49b8478d3cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:07.402097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048940/publication.md
observed d14073ffa50a561eb0025986b186ba57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:07.383234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048940/publication.txt
observed 1df41ba989789d595e07b83e6febd6ff...
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.