OpenTechnical

OT-2026-000023957

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000023957) never changes.

Identity and time

Publication numberOT-2026-000023957 · never reused
Internal UUID01a0ae70-aed6-7d4b-b013-e8ea4b4c4c2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023957
StatusPUBLIC

Content hashes

Canonical textd70f4cbf5dd52e335c8fabdff4aafb89517f4482288949900bf7019a6ee93618
Markdown03db600990422d875020af94d2f0daebec7ac416015edbe2f0b6478c82f3734e
PDF
Publication pagecab8d0ecb9e29708c17cd9b9c326a43ff5b0d2f1d66e708a152662c003f1198f
Manifest3232ecff0612b068bea8e4df1e4201beb01c1ccabc9afb59b29d0994aada83be

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
SignaturewYc85kxE9Foo1eEPft2OI8rfxRxZ/4QVoqmvTZ/gzOlXbinblzLjqFWGqjQeqPtWZxHPchzYfULjFvwT0G+NBQ==
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

2026-09-17T11:50:42.526907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023957
observed cab8d0ecb9e29708c17cd9b9c326a43f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:42.505049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023957/manifest.json
observed 3232ecff0612b068bea8e4df1e4201be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:42.485730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023957/publication.md
observed 03db600990422d875020af94d2f0daeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:42.461166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023957/publication.txt
observed d70f4cbf5dd52e335c8fabdff4aafb89...
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.