OpenTechnical

OT-2026-000080487

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000080487) never changes.

Identity and time

Publication numberOT-2026-000080487 · never reused
Internal UUID01a0ae96-7e78-7960-9db8-3aefb0bf8ad1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080487
StatusPUBLIC

Content hashes

Canonical textb47afab131c3d1920a616de0b4acae36ccf6fe755b2c17e27c79f5e9249691c3
Markdown6dbde4a47ec20cc5eba678959feea2f1514f7a847cd413e299b9e34887fc7869
PDF
Publication page5ff8146103600200c3e841a92f48f536ae7b096a6789dceb970817573bf3852b
Manifest07396ed3410e14339f8526c73e5d6e3cc271b9006ba264b30117b11372076b7a

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
Signaturex6j1dcUmZ3isgReLnqYs0JCLMbz0BtDK/AmIbjJux4bQKsBqZkziwVX247cKQvTi+Nce00PrV70Yy81umPNdDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:34.601014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080487
observed 5ff8146103600200c3e841a92f48f536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.584225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080487/manifest.json
observed 07396ed3410e14339f8526c73e5d6e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.568915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080487/publication.md
observed 6dbde4a47ec20cc5eba678959feea2f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.552646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080487/publication.txt
observed b47afab131c3d1920a616de0b4acae36...
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.