OpenTechnical

OT-2026-000007111

Publication integrity record

Vacuum cup gripper, plant vacuum fed, pulsed blow off after set down, silicone 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-2026-000007111) never changes.

Identity and time

Publication numberOT-2026-000007111 · never reused
Internal UUID01a0a973-152a-7ba8-94f2-8231053bd280 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:01:26.701950Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007111
StatusPUBLIC

Content hashes

Canonical text23b9deb40ea26f3b06b8bd60c9575a0ef54354a5b946348ab3aef80722867151
Markdowna90129ce7ea39d41c51d87a56bbcd9303ba82f0d21ee31c10fd025cb0fd5ba78
PDF
Publication page72ee78aa4980fe1119d95c17d3def685e5f4debe929837c83795c751e72c9bcc
Manifestfb2048578d01f7c7e0880be718b537439da6f6b9137d8260514a87d49b0d9ffb

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
Signature3u0wjshtlF58fNZLl7xdN7FZ5aTjMyi/uqLJKsIdL+UoCBEnxtRJkym4oObC1sTc9Zk8TyK6ELnZK5+QliqrAQ==
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

2026-09-16T09:10:25.904038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007111
observed 72ee78aa4980fe1119d95c17d3def685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:25.888839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007111/manifest.json
observed fb2048578d01f7c7e0880be718b53743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:25.748470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007111/publication.md
observed a90129ce7ea39d41c51d87a56bbcd930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:25.734305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007111/publication.txt
observed 23b9deb40ea26f3b06b8bd60c9575a0e...
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.