OpenTechnical

OT-2026-000032473

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000032473) never changes.

Identity and time

Publication numberOT-2026-000032473 · never reused
Internal UUID01a0ae75-106f-7fff-ab79-1cf8f6570c72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032473
StatusPUBLIC

Content hashes

Canonical text1aef07eeea2f588f404f957742025e7dbb1af0813baef18c02a6810c0619effc
Markdowna67018959546879bcc514e8be2db7ac0af0788469d5896c24b413d36f96625b5
PDF
Publication page4d4baa5456d9b1f7a8252df4da5c60755b1e9a0c7ebd827b49344a5b7b0c6f82
Manifest4898b90debffd0b872b6c61904e15603db1311674cc0e8b3397b3d9e7aaf2951

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
SignatureI08155KhTx3RsIPsbh+ZMLN285avFsgJy2pm2uu6CydgGz6KncX9XL97n0ztawaF7nwI0qByQ3QosUbRAjldBg==
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

2026-09-17T11:33:54.352203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032473
observed 4d4baa5456d9b1f7a8252df4da5c6075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.335590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032473/manifest.json
observed 4898b90debffd0b872b6c61904e15603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.317858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032473/publication.md
observed a67018959546879bcc514e8be2db7ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.300245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032473/publication.txt
observed 1aef07eeea2f588f404f957742025e7d...
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.