OpenTechnical

OT-2026-000042946

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down

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-2026-000042946) never changes.

Identity and time

Publication numberOT-2026-000042946 · never reused
Internal UUID01a0ae7a-c0d2-7497-a31b-6a7d6a4cdbbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042946
StatusPUBLIC

Content hashes

Canonical text29367b186a6a3ec12b9b6a590e114e125cc6ce5fea58e1dac1d7a4124fc5ee58
Markdown97889def3ee6eae3c2c8da514641696e5302a20bc8ff5dd622fbebcc4e8b85b8
PDF
Publication pagee26fb58dad6e6e5493dd702318c470537eb06b378520f06010e7c084809b2760
Manifestac34b61be307ddedafb05d0912bdc061c4033e40b3bf59f4c83ac99396e12a34

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
SignaturelKjv9c4L6JHqlW9KdTh/9GTqoGkzeaT2VbmrcUQuzg8GE1eQCKyMOH3EzxBHEXecYvEdBT7Ax2DOs0PZ6fUhDg==
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

2026-09-17T11:15:28.856599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042946
observed e26fb58dad6e6e5493dd702318c47053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:28.837519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042946/manifest.json
observed ac34b61be307ddedafb05d0912bdc061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:28.820548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042946/publication.md
observed 97889def3ee6eae3c2c8da514641696e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:28.804449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042946/publication.txt
observed 29367b186a6a3ec12b9b6a590e114e12...
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.