OpenTechnical

OT-2026-000006176

Publication integrity record

Vacuum cup gripper, three zone face, four outlet manifold, ejector fed, pressure verified, 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-2026-000006176) never changes.

Identity and time

Publication numberOT-2026-000006176 · never reused
Internal UUID01a0a951-ec19-73ce-b928-08e5bc0eca0f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:25:13.500574Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006176
StatusPUBLIC

Content hashes

Canonical textae87961cad76b5531ee98d20cf3e7a3aa92ce859259637a5f81e767353749798
Markdown4efd331ad60d9d44afdee3966d18c798a174df3326ee4c1d5eed384a41ae52cd
PDF
Publication page0adcfea8ed90b5beb7ec3b1fabd2eaf9a246d0c79798499e0ec068b62fbdecf3
Manifest3150d8376d9cea1665f77ef60e5adb58d984c43062ba9289c4c9ede388558255

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
SignaturelhGhAlc4wmsOwfEOKtruT9SUHVoeRlM0XgmWX+u4kgBP680YEtDucfigzkGwBih8TTLvwgxicVt+IqoGvZMuDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:18.956145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006176
observed 0adcfea8ed90b5beb7ec3b1fabd2eaf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:18.944042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006176/manifest.json
observed 3150d8376d9cea1665f77ef60e5adb58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:18.930123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006176/publication.md
observed 4efd331ad60d9d44afdee3966d18c798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:18.908223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006176/publication.txt
observed ae87961cad76b5531ee98d20cf3e7a3a...
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.