OpenTechnical

OT-2026-000026491

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000026491) never changes.

Identity and time

Publication numberOT-2026-000026491 · never reused
Internal UUID01a0ae71-f4a8-740a-9216-37705b18c547 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026491
StatusPUBLIC

Content hashes

Canonical text60f26a1c485ef62467d0723bafc9b8cefb2478fb82462df5e96664fceb062f6d
Markdown69ca2566e9b465f05440bd7b251a988a9f1285c68dfb12aa0b8068374533b013
PDF
Publication page3f43935d97043ce44f5a31484b9708ae55358627dfb6be00936edd3f65858d78
Manifest8b47ec11d782d5c351e55e60071ccea8b33198b6611c675db634c5a23b9d1772

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
Signatureg6/l6hJkirsUn+v5P5fUtsAVdWCEOGtg9I08gyC+mpDHTQJc4luE/PCL0SnG3zIG69fMaCsDEz2LbEI3AtcbBw==
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

2026-09-17T11:44:37.050712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026491
observed 3f43935d97043ce44f5a31484b9708ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.033385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026491/manifest.json
observed 8b47ec11d782d5c351e55e60071ccea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.015977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026491/publication.md
observed 69ca2566e9b465f05440bd7b251a988a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:36.998661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026491/publication.txt
observed 60f26a1c485ef62467d0723bafc9b8ce...
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.