OpenTechnical

OT-2026-000060912

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000060912) never changes.

Identity and time

Publication numberOT-2026-000060912 · never reused
Internal UUID01a0ae8b-12f2-73a2-b1d3-81eaa2f924f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060912
StatusPUBLIC

Content hashes

Canonical text255c985170b456dbbd7f307a285b2b790d027654ac008126806846b57d30ad3e
Markdown4943b1b8af99f59b63026ed0c9de30a01fe64fb4850742f494cadb1892ecbcd4
PDF
Publication page49e4040c817b4857d8f8f7748546c11edca8e005af80e2443a81092c32bd68d6
Manifestb60f65b59b7f9238e1ff993271e5d9781ffd4b740b3ded9c76bca2f17c56eba6

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
Signaturej+tXZxWs8/hLPD9z3YVp/CAPimOlkCPzLCAuYvHhYHtCtwMI/xHCDau3vnTUmuKphC9UHj10NS3aFH+AW4ZtCw==
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...

Independent retrieval

2026-09-17T10:42:10.652416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060912
observed 49e4040c817b4857d8f8f7748546c11e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.633594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060912/manifest.json
observed b60f65b59b7f9238e1ff993271e5d978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.614883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060912/publication.md
observed 4943b1b8af99f59b63026ed0c9de30a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.597696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060912/publication.txt
observed 255c985170b456dbbd7f307a285b2b79...
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.