OpenTechnical

OT-2026-000007007

Publication integrity record

Vacuum cup gripper, ejector fed, pressure verified, pulsed blow off 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-2026-000007007) never changes.

Identity and time

Publication numberOT-2026-000007007 · never reused
Internal UUID01a0a96f-5346-7d6b-8c13-1eb4a5cb0aed · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:57:20.457598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007007
StatusPUBLIC

Content hashes

Canonical text1b5cf3982d80ee34cae4606459ebbae62e6e707d902c5f42e4c8dc43f3b0f698
Markdowna32c73342f0bc05200d800a67ac260d3dae608c3748ca1e81fb7c194fd73977e
PDF
Publication page2e3b7d4f12468d956feac6aad8926a0dfd7ab811cc700faee3bdfe23c36ed277
Manifestda9fef1096a789182fc25d5e107c0e399e79f8715c6ecc07d131e71a343b51f0

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
SignatureSpAGcmhR8veiKh4a9Tamim7t1W+wBc2P9fKkfx34PcnnLDYm68jlx+Qx7nnat2aEwUra6m66xB9+uny9ZCV6Cw==
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

2026-09-16T09:00:12.442306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007007
observed 2e3b7d4f12468d956feac6aad8926a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.430396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007007/manifest.json
observed da9fef1096a789182fc25d5e107c0e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.418720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007007/publication.md
observed a32c73342f0bc05200d800a67ac260d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.405558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007007/publication.txt
observed 1b5cf3982d80ee34cae4606459ebbae6...
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.