OpenTechnical

OT-2026-000022611

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000022611) never changes.

Identity and time

Publication numberOT-2026-000022611 · never reused
Internal UUID01a0ae70-46e8-7a91-a7b1-34173593f24e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022611
StatusPUBLIC

Content hashes

Canonical text62c294942921b550d846fff7e2b65de351ba5aff61b2c5ee876da1ce74d6a889
Markdowndc82cab21b64166550c4b28bc4e3b9a2cda01932dbd2fd0ee791694ccf6284c1
PDF
Publication pagecc9d63df60142d4e3e381b0672595134b81c21af6fe6a5616868a2b415f0d209
Manifesta669d24337920dda83d093f68515528b02cacbdc4e0ebb19277543532577a176

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
SignatureMpOpgn90HOJYWbWDwlIVPrnqaJ9skt2nnzAjRrXiYdjHCvIeFJ3exwDA+r4mFAY+d3Yp4UaHxGiv7xtW43INBQ==
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

2026-09-17T11:51:58.905786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022611
observed cc9d63df60142d4e3e381b0672595134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:58.887827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022611/manifest.json
observed a669d24337920dda83d093f68515528b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:58.869193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022611/publication.md
observed dc82cab21b64166550c4b28bc4e3b9a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:58.850629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022611/publication.txt
observed 62c294942921b550d846fff7e2b65de3...
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.