OpenTechnical

OT-2026-000035647

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000035647) never changes.

Identity and time

Publication numberOT-2026-000035647 · never reused
Internal UUID01a0ae76-b4c6-7381-87c7-a77e9cd33b98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035647
StatusPUBLIC

Content hashes

Canonical textc33a02fad9a679dd42ac7711137960b8095c98e7e4c29c498722a6b91e88a726
Markdown48bfec982d4ce9a1bad0eaf2db45af5f17c7490b358d9f3f07c167749d5bceff
PDF
Publication page6e975b552d343bcb2c547603e5d920587e439ad0d08c0e78d115acafb5bd3c79
Manifest56140a6c29731f1c99ebca61fe9b3496c209ffb66d6b832f509f35635bbab546

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
SignaturewQ/Yiw4fxGL7EUhoNPPhUJ5FBfzKO/f6MS3nLqpnzHcZcmVSc3vIDiK3GpO0iTdg1Z3CN+JUXTwzyLeiMbTrDQ==
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

2026-09-17T11:27:12.130706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035647
observed 6e975b552d343bcb2c547603e5d92058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:12.111653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035647/manifest.json
observed 56140a6c29731f1c99ebca61fe9b3496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:12.092451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035647/publication.md
observed 48bfec982d4ce9a1bad0eaf2db45af5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:12.074539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035647/publication.txt
observed c33a02fad9a679dd42ac7711137960b8...
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.