OpenTechnical

OT-2026-000040489

Publication integrity record

Single cup vacuum gripper, 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-2026-000040489) never changes.

Identity and time

Publication numberOT-2026-000040489 · never reused
Internal UUID01a0ae79-2702-7d6d-b46a-9de5d5023474 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040489
StatusPUBLIC

Content hashes

Canonical textabf6470de3195e5cf4f094fb7196954161b1237aa7ecbf87e80621f7d725e190
Markdownf0e54d14c8f2460e7299ebc584afc21c01076eea6f26e6fe1949b6bff3036061
PDF
Publication pagebc1248230666af6feb28b79c617db8a51362fdd0da3c865cf2381298a2a478f3
Manifestefcfaf1b9362306de2907e0e5b108a0d608850732202a5ec57d9d45b4cc71f9c

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
Signature/7QDFbdG4tDwgrDc4rt+ooJzbF1SzzDLilyzAuvnpl2IovPs02jv27HF3z3gZ/NnlU1dBCNxIsWt1gBNjUmyAw==
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

2026-09-17T11:19:32.224589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040489
observed bc1248230666af6feb28b79c617db8a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:32.206768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040489/manifest.json
observed efcfaf1b9362306de2907e0e5b108a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:32.189345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040489/publication.md
observed f0e54d14c8f2460e7299ebc584afc21c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:32.170985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040489/publication.txt
observed abf6470de3195e5cf4f094fb71969541...
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.