OpenTechnical

OT-2026-000043417

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000043417) never changes.

Identity and time

Publication numberOT-2026-000043417 · never reused
Internal UUID01a0ae7b-327e-7e41-98ab-de51cf399902 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043417
StatusPUBLIC

Content hashes

Canonical text04fae88b07ec15630c0af3bc3c7099a6a24a40e51efc0be157107f9b32af6be8
Markdown190a9cff29272224477f4b90949b30671f3c0109d3468c8c40bff2d49a9ba715
PDF
Publication page760103dcb80e00951e8ee70cb50fc5c4792e0bd9de5725afa50c2f56aae37ac9
Manifestb20a6d441674034b3720f58ef3aa95b9dd814999a7d94873a6c8a6e877e16c14

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
SignatureONAQTzMArZLQbwFbCX0Ioaq8vMEiMYdxwi2AW9RWHmmj0gK4xlANWxDenDuaYI4lbjjrqoB4Jj7wkF6tr0cqCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:13:57.501294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043417
observed 760103dcb80e00951e8ee70cb50fc5c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.483363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043417/manifest.json
observed b20a6d441674034b3720f58ef3aa95b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.464502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043417/publication.md
observed 190a9cff29272224477f4b90949b3067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.444797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043417/publication.txt
observed 04fae88b07ec15630c0af3bc3c7099a6...
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.