OpenTechnical

OT-2026-000043403

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000043403) never changes.

Identity and time

Publication numberOT-2026-000043403 · never reused
Internal UUID01a0ae7b-327e-750b-bb12-4f676d4d7101 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043403
StatusPUBLIC

Content hashes

Canonical textbf7eab977f6cd3359095c195f90c219c84c464e602ef2acd7bda955856025778
Markdown9eeb0e12a6c62e49767eb2c9f52e9e2167e592c69534328a6016feeea5f06676
PDF
Publication page43e636771322bd073403cea609c37a2492d3a7d9c50a5c59299d3c17412fb89b
Manifestf5ad91edec606adf9fe249e16ccc98b09c9cdd283c610f5a320ecb6f2e45aee9

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
SignatureXJP5F4bl8i6PA8+DZAd0QZODmrCBzJTEf88pgO3m6jMQXnXKCB8BM732jlnlvvvcPFslIs+SJzM7fzzAi8p6CQ==
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

2026-09-17T11:13:56.407623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043403
observed 43e636771322bd073403cea609c37a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.388910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043403/manifest.json
observed f5ad91edec606adf9fe249e16ccc98b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.369083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043403/publication.md
observed 9eeb0e12a6c62e49767eb2c9f52e9e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.350801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043403/publication.txt
observed bf7eab977f6cd3359095c195f90c219c...
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.