OpenTechnical

OT-2026-000007237

Publication integrity record

Vacuum cup gripper, plant vacuum fed, contact triggered, vented after set down, rubber cups

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-2026-000007237) never changes.

Identity and time

Publication numberOT-2026-000007237 · never reused
Internal UUID01a0a977-96b3-77e5-8d06-2a78d2250225 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:06:22.127098Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007237
StatusPUBLIC

Content hashes

Canonical text3a9552af0d8076e57be9dfbb796dc2e6bd44271c44119807c342c38c03be1671
Markdownef3cb946bfc717995ccfc182f580c976bc2b907cbbc2741bb1ed1c2aa421959a
PDF
Publication pagefa224faf9e3de98a2198cd231a83e9a4c9ea57a467df4fa60389fcb863e09af7
Manifest2b812cedd364f902329ec18610d742fb27e120245fb94ea187dba5b30c6761a7

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
SignatureP9vFK2zCHUaMJMT5ZK+mWRaSe3jqnGOl4esW3LnHy+nu5D1KvVwiFNCTEkldBzu0g5bQo1EzNWcYC1fTR75bAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:12.912648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007237
observed fa224faf9e3de98a2198cd231a83e9a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:12.900758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007237/manifest.json
observed 2b812cedd364f902329ec18610d742fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:12.888797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007237/publication.md
observed ef3cb946bfc717995ccfc182f580c976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:12.754674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007237/publication.txt
observed 3a9552af0d8076e57be9dfbb796dc2e6...
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.