OpenTechnical

OT-2026-000079439

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000079439) never changes.

Identity and time

Publication numberOT-2026-000079439 · never reused
Internal UUID01a0ae96-0b91-71a6-83b4-df4fb8a98005 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079439
StatusPUBLIC

Content hashes

Canonical text47436e28146f1b9aa15dc892d71ac4d955d7e1bf3a09dd2fc307a6f82e67e384
Markdownc7add20cab15bc9554df9acf1a3c66188552659a97ebe2053bac6672a14e5b34
PDF
Publication pagecb675ba4a793f0421c86b44237f717388c620f98476885cfe4989a0cc1355bf3
Manifeste73f18ac7289c46fd629eecb20754b0d2531a385c989e16c7264db0e6bf9ad88

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
SignatureqgtPIU2HhYm2ojIgmgdoUIyXrP6EXAsStgenuHy9/O4CbPYY3aac6Ao7eGrM96cJ5BHHz/wHzoLI5oGo8BtUDA==
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

2026-09-17T10:05:03.821556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079439
observed cb675ba4a793f0421c86b44237f71738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.802772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079439/manifest.json
observed e73f18ac7289c46fd629eecb20754b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.784807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079439/publication.md
observed c7add20cab15bc9554df9acf1a3c6618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.767637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079439/publication.txt
observed 47436e28146f1b9aa15dc892d71ac4d9...
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.