OpenTechnical

OT-2026-000030522

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold 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-2026-000030522) never changes.

Identity and time

Publication numberOT-2026-000030522 · never reused
Internal UUID01a0ae73-e504-7296-b77c-49dcbdab6311 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030522
StatusPUBLIC

Content hashes

Canonical text29d5e17af770ff2ef16eca7955a9c6ab67536811996c4757e77e38c879054c44
Markdown85b9de6f38d5c6280d5ca231ea647b64e793f06ba4e55bd8ba2af721ed281aa9
PDF
Publication pagefbe674fa8c10c52b059549bbb80f138c196d5663d4a6f1c42a2d8d83133ae561
Manifestc64873695705f6c05a9ed56138e95a6964a6874268835fe282bd6d658cb0d699

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
Signatureb5qxU8n+EgjdT7xJoQ+qaDMT9r8Aa4gVGqdQnMj9BLHmph+f2WXHE+YSlvv5wN7KIX6RRTxbMZmJrzK5zdyLCQ==
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

2026-09-17T11:38:23.380607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030522
observed fbe674fa8c10c52b059549bbb80f138c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.363461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030522/manifest.json
observed c64873695705f6c05a9ed56138e95a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.345297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030522/publication.md
observed 85b9de6f38d5c6280d5ca231ea647b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.327807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030522/publication.txt
observed 29d5e17af770ff2ef16eca7955a9c6ab...
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.