OpenTechnical

OT-2026-000050430

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000050430) never changes.

Identity and time

Publication numberOT-2026-000050430 · never reused
Internal UUID01a0ae82-5c48-7055-8f6c-7768ef340eae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050430
StatusPUBLIC

Content hashes

Canonical text132491b06df4253b1749681b224927a1420ffc9a00a77e647cad32e52db43414
Markdown0a0dc467865ce596729624623a00893fb48ff316c06c2d5b4af32ba168795b78
PDF
Publication page947084e0d938eaae227f6c494823abc378d678de5d06a69847d0af2bad6eb9e4
Manifest3e9ca393e4a9652896febbd4b0d07462d3f0757b9dd8aa83d2e7dd58ea95f21c

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
SignatureZ1ITZXlT4GqMzM6zMoVaZencBmlswob46/WFZ2xdANRrmINai+dLHv4Jq0rJEMkx+OOUcCAHEgXePp/3irWQDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:28.541814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050430
observed 947084e0d938eaae227f6c494823abc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.526791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050430/manifest.json
observed 3e9ca393e4a9652896febbd4b0d07462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.511704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050430/publication.md
observed 0a0dc467865ce596729624623a00893f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.496011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050430/publication.txt
observed 132491b06df4253b1749681b224927a1...
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.