OpenTechnical

OT-2026-000056865

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000056865) never changes.

Identity and time

Publication numberOT-2026-000056865 · never reused
Internal UUID01a0ae87-7af8-7a6c-8775-7febd9dd72df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056865
StatusPUBLIC

Content hashes

Canonical text3297664c80202569e17019bd15cd9d77370480a36d1a4605c2206218bf376a0a
Markdownb3b9d81ec3d85582965a9867f9a45a51b71117cb642332f676e57266ecb07195
PDF
Publication page003644812de0958acc8ae7af823919ae0c1a24e15dc0bf5808821ef3f266522e
Manifeste525c33cbef8a14bb69cc9932c0d8a373e09b4d3d4a1cf18d7ce5641fffc12f1

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
SignaturecWpUwk0TVhrsOAKmWO5gYk7hWj4pDHli04PVIvzipAMwrBhV3iKji9orCv060+e6LTQpp4pzryvZKD/SwCnPBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:22.211624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056865
observed 003644812de0958acc8ae7af823919ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:22.192174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056865/manifest.json
observed e525c33cbef8a14bb69cc9932c0d8a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:22.175145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056865/publication.md
observed b3b9d81ec3d85582965a9867f9a45a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:22.150504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056865/publication.txt
observed 3297664c80202569e17019bd15cd9d77...
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.