OpenTechnical

OT-2026-000043607

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000043607) never changes.

Identity and time

Publication numberOT-2026-000043607 · never reused
Internal UUID01a0ae7b-92d0-7483-af81-f93c8ef89b08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043607
StatusPUBLIC

Content hashes

Canonical text41d06f14bb55daab566e57857e7494412a2a036e663cef8ba42786827b351353
Markdownf4f8b926578b11a541f5799f41feec7beb57b2539881989d7e85c11cbc7081dc
PDF
Publication pagede810c18895d013e5beec023da9a7fb372dbb583c2e2d9d5d216536dfa85d1e3
Manifest6801f22127e083d8281528350ef16bb01379c4c9a9c606039b061331937682b3

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
SignatureGM+x+MQXFlJ961JZ7IaJQHWRjFSZE5cGoUTnud3xYqtl70E2RLLTvchcVyHV+Vh8w8HoWqRZZHcSQOMegm3JDg==
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

2026-09-17T11:13:00.935424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043607
observed de810c18895d013e5beec023da9a7fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.917916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043607/manifest.json
observed 6801f22127e083d8281528350ef16bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.899779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043607/publication.md
observed f4f8b926578b11a541f5799f41feec7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.878747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043607/publication.txt
observed 41d06f14bb55daab566e57857e749441...
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.