OpenTechnical

OT-2026-000029938

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000029938) never changes.

Identity and time

Publication numberOT-2026-000029938 · never reused
Internal UUID01a0ae73-ac48-7b32-ba70-5dff83a6927d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029938
StatusPUBLIC

Content hashes

Canonical text39ba60398e5b9a74ee1b80aeba6c39618760448c85cd3828c1ac92eb351ce2b2
Markdown2304bcaa3a4b5349c9627772e2750808251e863a404bd05e7c99a6b662dcdaff
PDF
Publication page40c4f237fa824411f2aac6e270b4067ec98ea20f21d8148ce5ccc541b9d556c4
Manifest3f45a63dc0c0384f7b9fe10555f216efc25a9868e5e6918ef24ec4f04f727cc1

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
SignatureK64drRj8latVhAynSLNXoeqoGJT6hCzwTRIAvpMMax1GPQ2kQbeITDZ654mC6PEJfZVKTBakkIhFPgSUnlNUAg==
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

2026-09-17T11:38:38.952085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029938
observed 40c4f237fa824411f2aac6e270b4067e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.936143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029938/manifest.json
observed 3f45a63dc0c0384f7b9fe10555f216ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.920199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029938/publication.md
observed 2304bcaa3a4b5349c9627772e2750808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.904584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029938/publication.txt
observed 39ba60398e5b9a74ee1b80aeba6c3961...
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.