OpenTechnical

OT-2026-000045309

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000045309) never changes.

Identity and time

Publication numberOT-2026-000045309 · never reused
Internal UUID01a0ae7c-f76b-77f8-b53c-066af4e9bbd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045309
StatusPUBLIC

Content hashes

Canonical text0152bdc891e5171dba680720c426ab9637e061fd4825f3fcfff33a6650377af5
Markdown1a25e152d795129c338d31764f38acfa9ffb5dca6b3219b91a98d7ac12a099a0
PDF
Publication page1e276d37fa388bc8a6531284c08fdb5250e41c5fa4de99b937c4a36b4ffff03b
Manifestb86ee8a1499240368472fa11c9ae4663cb569820e4f6b7142369ad103b578751

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
SignatureHjjMzShJr5BF81pcGFYymvZfutqhp62cMRLNSbaX50di75DtU1xeFEppzzKHN/SYtsPNVJuhry3Iay+8If9EAg==
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

2026-09-17T11:10:33.422311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045309
observed 1e276d37fa388bc8a6531284c08fdb52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.401166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045309/manifest.json
observed b86ee8a1499240368472fa11c9ae4663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.378549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045309/publication.md
observed 1a25e152d795129c338d31764f38acfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.359353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045309/publication.txt
observed 0152bdc891e5171dba680720c426ab96...
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.