OpenTechnical

OT-2026-000059749

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, vented after set-down

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-2026-000059749) never changes.

Identity and time

Publication numberOT-2026-000059749 · never reused
Internal UUID01a0ae89-ec25-718f-b77d-1b61d33983bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059749
StatusPUBLIC

Content hashes

Canonical text810a76001d5dd36dcf747af53e5bc3cdd5a7a46e0629331f28948f4783f9f3a5
Markdown84dc9b0987f1e5ec5218428b80af4a426e6ce8fadf7330c582059a6683563b5f
PDF
Publication pagec29be3670e2d801d8e356582c7f6d6f70ebd5a8a131c7708a02bd12afc0362e7
Manifest4312058e64f7d9246d3d0e3420aa8db32d54f14e38c9d381c052722be72e28df

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
SignatureB9GO25C8Bws1IqU84UcKP3cMBlpcKrpiCQJNTS1qdL4ONZw0wHmKijYnqSMXbH7RFBy7aCHpzSpR5l4fasiLAg==
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

2026-09-17T10:44:07.798348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059749
observed c29be3670e2d801d8e356582c7f6d6f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:07.775186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059749/manifest.json
observed 4312058e64f7d9246d3d0e3420aa8db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:07.690693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059749/publication.md
observed 84dc9b0987f1e5ec5218428b80af4a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:07.528481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059749/publication.txt
observed 810a76001d5dd36dcf747af53e5bc3cd...
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.