OpenTechnical

OT-2026-000039074

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000039074) never changes.

Identity and time

Publication numberOT-2026-000039074 · never reused
Internal UUID01a0ae78-9672-7607-be87-49ac8325f19c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039074
StatusPUBLIC

Content hashes

Canonical text84b1d56238c16576fb73b45f1d9c2588a60885afdad516d3ad425581c5a0c1c9
Markdown6b3579626abc30f86574a2ae55b8356ca6f839c994d954cf4ef300c4ce8433f7
PDF
Publication pageab73824af8f7d5d7f4bedadd7d80ba5877b7389cdea7a6d0a2de9df5ac04b347
Manifest0228f7ae12a7d01829f2ec1c1dc1444c1a009db87f18e2f6f9db7e4f6465790d

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
SignatureoYnA1oBcqvvNHrJf4WoyYPQ3c5zz7s5RZ7+fq8Dt8LT9NA4Q1H21QcnJh62Z+4sFP/41EXIQjpeClW+BHT2NCg==
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

2026-09-17T11:20:33.116548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039074
observed ab73824af8f7d5d7f4bedadd7d80ba58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.097772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039074/manifest.json
observed 0228f7ae12a7d01829f2ec1c1dc1444c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.080319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039074/publication.md
observed 6b3579626abc30f86574a2ae55b8356c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.058454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039074/publication.txt
observed 84b1d56238c16576fb73b45f1d9c2588...
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.