OpenTechnical

OT-2026-000040677

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000040677) never changes.

Identity and time

Publication numberOT-2026-000040677 · never reused
Internal UUID01a0ae79-6d0e-759c-9d11-512a15267dc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040677
StatusPUBLIC

Content hashes

Canonical text1b49e4773ac56833cca6212699c90ee7234b8564e00b8c33cf6301dfff1b7d4f
Markdowncd6d14125758c265829cc2289301228dab0346d8811981161aecaaea3f0ea666
PDF
Publication pagefd123f290cf8fa57d7d105057e9773f61e42e353182502a4f3712493324b0e1a
Manifest61b38d5a87c193900927b33f1fb83eab4dea1b21f404042ccec116e9c5bf290d

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
SignatureEWaBc0sQ6jpVA2xlzxLJbSbR96IJNaGiPveZPOWESNsXS+9L7CCUCxa61DjHQ3x1ZyYqFegW6Dr1DW/a5G0EBQ==
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

2026-09-17T11:17:52.299410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040677
observed fd123f290cf8fa57d7d105057e9773f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.283021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040677/manifest.json
observed 61b38d5a87c193900927b33f1fb83eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.265645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040677/publication.md
observed cd6d14125758c265829cc2289301228d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.245590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040677/publication.txt
observed 1b49e4773ac56833cca6212699c90ee7...
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.