OpenTechnical

OT-2026-000075084

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000075084) never changes.

Identity and time

Publication numberOT-2026-000075084 · never reused
Internal UUID01a0ae93-ac2e-7743-9475-45667b7a1e02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075084
StatusPUBLIC

Content hashes

Canonical text06a22c75dfb8467c9a7d4ea2a9a3a104569e209c2cfa15401a519d89190f019e
Markdown47d1f473818f76fdb7a75876356f1c576c1db794e5e49e7557016febe967ccad
PDF
Publication pagea22d962f741fc736a9f37ed2e819d5ce19acced9d4dde90121eec4f4f67bdd27
Manifest7b0d939070d9b96d9e38caa00f83a2d8dc9a12b648c24153c41a8346d4cd737b

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
SignatureSH/mspsZEk+o7ri+gA2sl/5JvbQRFxgPDHQrifLbRVmyq+tehYGwlncHObPWRiw6OEpSqN2SmAaDj+y00U2EDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:54.367837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075084
observed a22d962f741fc736a9f37ed2e819d5ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.351774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075084/manifest.json
observed 7b0d939070d9b96d9e38caa00f83a2d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.334614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075084/publication.md
observed 47d1f473818f76fdb7a75876356f1c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.316215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075084/publication.txt
observed 06a22c75dfb8467c9a7d4ea2a9a3a104...
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.