OpenTechnical

OT-2026-000048140

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000048140) never changes.

Identity and time

Publication numberOT-2026-000048140 · never reused
Internal UUID01a0ae80-4de1-7604-812e-908d2fd718e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048140
StatusPUBLIC

Content hashes

Canonical text8268c1ddcec8e74a144847b2ae15362f935dde7391503217494a120025176d53
Markdown2b3033c9f65c1a9b4da9d16e5c942b5ab1997efe7fa6da183f235745d3927844
PDF
Publication page5a6f350bb5c7ee474f59a36480bac0be9ba21c4e30274258393a0e83d4bfeced
Manifestbb8c88dbad756fa789d4737c5759a5deed4ddeb184de860c7bb81486eddf66fd

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
Signaturebynhxa89fK+s2QNHy7/+aWbnfC+gXAIjepcZB4X7j2uu5nekyajgPUQmtBBUsCql47LsLtaM0gzoO+qU4tRzBQ==
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

2026-09-17T11:04:39.753998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048140
observed 5a6f350bb5c7ee474f59a36480bac0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.736495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048140/manifest.json
observed bb8c88dbad756fa789d4737c5759a5de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.715902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048140/publication.md
observed 2b3033c9f65c1a9b4da9d16e5c942b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.697269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048140/publication.txt
observed 8268c1ddcec8e74a144847b2ae15362f...
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.