OpenTechnical

OT-2026-000066802

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000066802) never changes.

Identity and time

Publication numberOT-2026-000066802 · never reused
Internal UUID01a0ae8e-ce43-77e6-aec5-02c6a92d8169 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066802
StatusPUBLIC

Content hashes

Canonical text0380d9715bbe781b733eb33c8c7564cd0f6043fed7b1064308eb98e70845fb13
Markdown78bea4f9f8ac746cfcb2e8dee68b41a7c9bdc92f7789869d77d4e75a09a864ff
PDF
Publication pageb5f213847fbb2346e4dec231330384ba2e2916077bff7eaddaf249b503c10fee
Manifest62753d50114e06ef7501aaeb88f84a9b9c0d475f3e88c3b3722d6bdf9fdd64fa

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
Signature8Craf3LYWdx7S07XPkvTJsSbzwY/0bEthPuPhm1JvU/dmBiZcbFCRKT/q/MUyE2Jl2mruRE8K2D1TxTQw59cAQ==
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

2026-09-17T10:33:13.746551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066802
observed b5f213847fbb2346e4dec231330384ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:13.728148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066802/manifest.json
observed 62753d50114e06ef7501aaeb88f84a9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:13.711323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066802/publication.md
observed 78bea4f9f8ac746cfcb2e8dee68b41a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:13.694449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066802/publication.txt
observed 0380d9715bbe781b733eb33c8c7564cd...
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.