OpenTechnical

OT-2026-000049078

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000049078) never changes.

Identity and time

Publication numberOT-2026-000049078 · never reused
Internal UUID01a0ae81-134d-7bdc-a26c-598189dac2dd · 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-2026-000049078
StatusPUBLIC

Content hashes

Canonical texte05344e8e1421c836b41b740fb6125622feca7fa3f768e3adc7b0789916a3940
Markdowndf1b8117306be7994f44201ea286b721704aa7eb32c6efce44315b7dfffa40d6
PDF
Publication page1aa9fe06d5e4f14aefe0c9d6cdd4b1c9a7e31bc39dbd1fb9b38d147fd41175cc
Manifestbc96d7487c0248681b6e81320d7d1c0f65e56ab5c7e6f5b162c5aedf1aa1f3bf

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
SignaturezzcFS0AsENaz0BZvOBkn7abG9+bnskqTrZVfjL2xefy+HBsqpJ65xRW+Ik/Khsp4ttsL4IX/tMxdmE29uo4BAA==
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

2026-09-17T11:03:19.148132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049078
observed 1aa9fe06d5e4f14aefe0c9d6cdd4b1c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.128717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049078/manifest.json
observed bc96d7487c0248681b6e81320d7d1c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.107375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049078/publication.md
observed df1b8117306be7994f44201ea286b721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.088395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049078/publication.txt
observed e05344e8e1421c836b41b740fb612562...
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.