OpenTechnical

OT-2026-000048938

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000048938) never changes.

Identity and time

Publication numberOT-2026-000048938 · never reused
Internal UUID01a0ae81-134b-7ecb-9283-dbcfbd8240cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048938
StatusPUBLIC

Content hashes

Canonical text5c82436551d1894b1761e8d2a0321033b30fbcd09db4ceefe83e2a53bf9808a2
Markdown14fbe941b40739d2b6f58a4b17236d47d4c8f28bd671c3612e70b0cfa076f451
PDF
Publication page08bb8dd0817044bf3a9f7197dd87da7369b99a6e4b5d1cc97c5aa7794923bef0
Manifestab72e52281eb88385e060ba6dd686f7c9048ddb074dcac65346cd60116bb8c2a

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
SignaturetvK0XH78/nzlFgRSEqn2WqVyL/I6vd3dGROC9bxrV08I3XzX9MXYIFyhKvr/nlmodamszG+aIJ4FqXFD/cKICw==
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

2026-09-17T11:03:07.283524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048938
observed 08bb8dd0817044bf3a9f7197dd87da73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:07.265390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048938/manifest.json
observed ab72e52281eb88385e060ba6dd686f7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:07.246385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048938/publication.md
observed 14fbe941b40739d2b6f58a4b17236d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:07.226543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048938/publication.txt
observed 5c82436551d1894b1761e8d2a0321033...
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.