OpenTechnical

OT-2026-000082839

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000082839) never changes.

Identity and time

Publication numberOT-2026-000082839 · never reused
Internal UUID01a0ae97-8cc9-740b-972b-28568a9b9df4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082839
StatusPUBLIC

Content hashes

Canonical text433c58faa3c9caa1d10b2442e0b90242c3be4f76397f058eec8ae36184b245f4
Markdowncf08d5665f63d600e9dd64e99a3d8a5553f29e50784a4c1eeb0de6c527a05c0b
PDF
Publication page915befbf76d1c8bd09608a40f262ce24066881d7a1d67e0f333fd847c0fa78c7
Manifestb4ce99d0c67d10687cb5d934a6f4d119e3528bb35e5f14ef0661356ebcfe2e3d

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
SignatureFyYRb7f11Hp1O7tF+B69r2yIHBKt64MYPipRmHZw6bOQ7f00XyFzAVO1nYT11l/OMaGqZMsG8qK8TpdhOKWDCA==
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

2026-09-17T09:58:30.793414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082839
observed 915befbf76d1c8bd09608a40f262ce24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.776312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082839/manifest.json
observed b4ce99d0c67d10687cb5d934a6f4d119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.754997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082839/publication.md
observed cf08d5665f63d600e9dd64e99a3d8a55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.736205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082839/publication.txt
observed 433c58faa3c9caa1d10b2442e0b90242...
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.