OpenTechnical

OT-2026-000033531

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000033531) never changes.

Identity and time

Publication numberOT-2026-000033531 · never reused
Internal UUID01a0ae75-a38e-7476-ba35-c4f4407be3cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033531
StatusPUBLIC

Content hashes

Canonical textec6124df1d1da794fa7f3b9f4921c611b0d00690f446c69be0f134c1b37e28c7
Markdown7a2d3b60790c2095a72af7061ea4e3017a1d80f0b4a86ad5b4fc1781492a8c8f
PDF
Publication pageb4cd670ab9e133570c7b755df3a4521ac975e22e9759f8088667037b57c68284
Manifest237a166e6c6d93f42279a868bfd3f367b3af85bb39dd12cfb9d2a07f3436023f

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
SignaturedgYhsKKsjqRUGWuwBSqGNZphzN1yAYupAIrlRGoskjkemFAox2zjJ+11a4FfFm1SCeyojiVjU/aBSKSu6tHHCw==
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

2026-09-17T11:31:23.400042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033531
observed b4cd670ab9e133570c7b755df3a4521a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.383270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033531/manifest.json
observed 237a166e6c6d93f42279a868bfd3f367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.366510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033531/publication.md
observed 7a2d3b60790c2095a72af7061ea4e301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.349263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033531/publication.txt
observed ec6124df1d1da794fa7f3b9f4921c611...
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.