OpenTechnical

OT-2026-000032937

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000032937) never changes.

Identity and time

Publication numberOT-2026-000032937 · never reused
Internal UUID01a0ae75-4842-7c65-a34b-a1b1aeb3d479 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032937
StatusPUBLIC

Content hashes

Canonical text7dc72f6f4e7b45abcc8a661b850b77acef8e8bb1990b9b80efaac8b9aa660f98
Markdowncccec3162d9fffe63c901fad1c761b7835de71d23a82dcd40e39cafb52601df2
PDF
Publication page2377d9fbefa56c34093f85dc54720011077cbdbcdcb313bdffa2f13425322586
Manifest1f1c361d77c59d8641db22235d37677c0f612d3b65d1dbd92d3099f4d49c4c21

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
SignatureGPBqsa595MLdQmuJfp9XlEHdgV0obylP/JQq/mzvvD9Sls0EBQKBY8K+s/c3Oy7vIyFuDBThSGr07WYq2XvIDg==
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

2026-09-17T11:32:32.184638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032937
observed 2377d9fbefa56c34093f85dc54720011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.167859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032937/manifest.json
observed 1f1c361d77c59d8641db22235d37677c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.147688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032937/publication.md
observed cccec3162d9fffe63c901fad1c761b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.129007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032937/publication.txt
observed 7dc72f6f4e7b45abcc8a661b850b77ac...
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.