OpenTechnical

OT-2026-000007201

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, 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-2026-000007201) never changes.

Identity and time

Publication numberOT-2026-000007201 · never reused
Internal UUID01a0a976-5414-7c3f-8c44-736303f0994f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:04:59.414840Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007201
StatusPUBLIC

Content hashes

Canonical text3d9f150d92caa1e850e7ada9efdfe571708f73d4cdfcd4c4fa6a6cfba4e88ae5
Markdownd3c3c2c22e9cbe2a9483ede7858454976d64acfc191b657e40a3b216967e74d3
PDF
Publication pagee2010fd96a2f42154d83ed7a90a47daffb10c2cbe439e92f536a45c91eed0d0b
Manifestfb6b86b59f74029faaed12e0d92625b7847bb6ab4708f25f6430fc6ed51ed487

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
SignatureV1Xrnbd4FSjCLS43k0J4z2K00ToP5kGy2ZxE6yM8eTiADv/9LxljP+Yq+nP9JAMNvhsAe2soMld6YUUCMHdKBg==
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

2026-09-16T09:10:16.469345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007201
observed e2010fd96a2f42154d83ed7a90a47daf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:16.456427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007201/manifest.json
observed fb6b86b59f74029faaed12e0d92625b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:16.443650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007201/publication.md
observed d3c3c2c22e9cbe2a9483ede785845497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:16.431061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007201/publication.txt
observed 3d9f150d92caa1e850e7ada9efdfe571...
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.