OpenTechnical

OT-2026-000050153

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-2026-000050153) never changes.

Identity and time

Publication numberOT-2026-000050153 · never reused
Internal UUID01a0ae82-5c45-7be0-a608-c88234105ba6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050153
StatusPUBLIC

Content hashes

Canonical textf1ae8504251d01f49cd969755f8feadc5fc81c48ea11fdbeeab3d68b8be63bde
Markdown3d18d5c414e3431c8f9cea040e0f133ee668045ca2ed6d75fa5d71addbf9de4d
PDF
Publication page6c08e05796fd18eda7d45c7b4dfd134639067c45ebc5d071e24d640ed6de96c4
Manifestefc53824fc40c668cc4ca9ebfe261acfa67c1ebe997e41eca67b80242f16ccbb

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
SignatureGj68VFM8fro0W0xUFspJ2a4JdWNM361Dv1vwhr3BE2UdtPe8SVRfDljF3oqamjiGS/8uD7MB4/bsFX3e0oDDDQ==
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

2026-09-17T11:01:07.605132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050153
observed 6c08e05796fd18eda7d45c7b4dfd1346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.583114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050153/manifest.json
observed efc53824fc40c668cc4ca9ebfe261acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.562418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050153/publication.md
observed 3d18d5c414e3431c8f9cea040e0f133e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.544571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050153/publication.txt
observed f1ae8504251d01f49cd969755f8feadc...
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.