OpenTechnical

OT-2026-000009386

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000009386) never changes.

Identity and time

Publication numberOT-2026-000009386 · never reused
Internal UUID01a0ae6b-7561-799f-b9a2-38aa6e8af1a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009386
StatusPUBLIC

Content hashes

Canonical text2a13753af14837ae9cb1ed4bae743e4c54f92d3aac4c1c65e7085e66e54cb2cf
Markdown06ea51f3d4f0fd9506b212c3ab968a601007e5251740fad3fb199110fb55a233
PDF
Publication page2cfbb9090d0c92e9df351b30256634c8e5d0649bd6c7266250facc9986bffedd
Manifest83f7ba2c534c3140ac80dc1a23252c24c41da6ee76d63d806ee351497844d1dd

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
SignaturebQ5PXD3KKDgB/3l+qUbmFex0UHMjv/lUz7SQn/dzTgd8qVvR2vUIAj4jGhGmep2Yr8ryJN1yN3CylmQD7V2pAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:39.603999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009386
observed 2cfbb9090d0c92e9df351b30256634c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:39.585492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009386/manifest.json
observed 83f7ba2c534c3140ac80dc1a23252c24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:39.566019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009386/publication.md
observed 06ea51f3d4f0fd9506b212c3ab968a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:39.546383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009386/publication.txt
observed 2a13753af14837ae9cb1ed4bae743e4c...
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.