OpenTechnical

OT-2026-000007008

Publication integrity record

Vacuum cup gripper, two stage ejector, pressure verified, vented 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-2026-000007008) never changes.

Identity and time

Publication numberOT-2026-000007008 · never reused
Internal UUID01a0a96f-5bf4-7397-ba50-823cc3f68be8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:57:22.679771Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007008
StatusPUBLIC

Content hashes

Canonical text21eea75067c55ddcdc478405e116c7448486b179c051a1407dadd6bfa87fdbc5
Markdownf4868082fcd68202a91c269e23d8c062e4b618eff64f1ef2f1f59c2fb5d515a6
PDF
Publication pagefa93220c4f9642bab4dd41f11c877f0f2afb903e97b1a3e03ac44ea8af1d517b
Manifeste87602a9db7732e0a9aae7e566f9f248a9f1156e6b5b4f46897a490a7d175a6e

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
Signature1JGpT5SYgNhBQXgDvGkHuci4EABZzC5sUqzJxKWDBdL3FkleuzjkXu5i9CrjFAWGBUkHHSvmJ4ePu1sIMU/qCg==
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

2026-09-16T09:00:12.391873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007008
observed fa93220c4f9642bab4dd41f11c877f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.378015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007008/manifest.json
observed e87602a9db7732e0a9aae7e566f9f248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.247857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007008/publication.md
observed f4868082fcd68202a91c269e23d8c062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.234138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007008/publication.txt
observed 21eea75067c55ddcdc478405e116c744...
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.