OpenTechnical

OT-2026-000033446

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, pulsed 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-2026-000033446) never changes.

Identity and time

Publication numberOT-2026-000033446 · never reused
Internal UUID01a0ae75-a38d-725b-b870-5f61d6ee5748 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033446
StatusPUBLIC

Content hashes

Canonical text0101883a2822e80c3bbadffcc8e0e544c58f695f7eee85e37eb2a4575c97de24
Markdownd22628ffab4d0fa14be9055253f896c8fc74a76e56ef926297dbce8d34f5a340
PDF
Publication pagec432fcffc2f8dc83272fcbd52f500ab7536be0b3e96285ac7a00c660846e3391
Manifest9f134a7341b739cea92c0cbe3b153e017a87ec08c9d497c12a7d1edab4744fa3

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
SignatureoqCoUkrR04YzgSezehSmLPzll9w6rzo4HMg17MRngxSwvR+YcKAGY1Abt/HRgmU5kpfHhhVtIUzVuritM5dQBA==
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

2026-09-17T11:31:16.751224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033446
observed c432fcffc2f8dc83272fcbd52f500ab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.733870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033446/manifest.json
observed 9f134a7341b739cea92c0cbe3b153e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.715480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033446/publication.md
observed d22628ffab4d0fa14be9055253f896c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.697117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033446/publication.txt
observed 0101883a2822e80c3bbadffcc8e0e544...
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.