OpenTechnical

OT-2026-000052361

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, vented before 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-2026-000052361) never changes.

Identity and time

Publication numberOT-2026-000052361 · never reused
Internal UUID01a0ae83-e792-79c5-ba56-c46cc000deb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052361
StatusPUBLIC

Content hashes

Canonical textb677ec29d36238cb20b582d24832b78294b958f0ee4af63dae1eb6b7495661dd
Markdown4b5fcf51feab51d430094d5b2850b42705adae563083138d8110f51dd2c2f428
PDF
Publication page114aa33d0fbc8af9fcf6ba2c305f834bb8f7ada5b649a3cda00170692d8d837d
Manifest2bd2598da79ae6aec44115b376fa982b23dd689889040981b8fcc02a2fec98e3

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
SignatureIJrvBJ+b1o2ZKLukk+DsxW6m+Z1ASc5ftdlHqBdzmJOD16TsXaO0RzLCg1PujTWFv2/zN4XTKT3Q/iVrEhAjAg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:03.518804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052361
observed 114aa33d0fbc8af9fcf6ba2c305f834b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:03.501025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052361/manifest.json
observed 2bd2598da79ae6aec44115b376fa982b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:03.483641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052361/publication.md
observed 4b5fcf51feab51d430094d5b2850b427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:03.465839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052361/publication.txt
observed b677ec29d36238cb20b582d24832b782...
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.