OpenTechnical

OT-2026-000047434

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000047434) never changes.

Identity and time

Publication numberOT-2026-000047434 · never reused
Internal UUID01a0ae7f-3e58-73e5-809c-af8bff733f79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047434
StatusPUBLIC

Content hashes

Canonical text7a3639374d517b660942157de1989d96b5f29f9745e2cd995e59b37d1e066e25
Markdowna3757b4d8f45937e7e2345bcffc082f4e5c46df34c9b54526fcb83a7a0835e7d
PDF
Publication pagec4a3738251c835d255d96a6e43dcadab02e8ce817638bb758c7dbaf885df8f22
Manifest1a10e4db5c8a41e7b3be7af93029c452386060e3d30ce7e2a92a870cf7e98775

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
SignatureId2GwhRlVBFq9oUM6xyiJG1tcigQ+RYIyCDGS7Bf1nl3SbFpxSYz+hnNYAXrldgtK7vqCh4Cw+N8KClohjAxBQ==
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

2026-09-17T11:06:27.422413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047434
observed c4a3738251c835d255d96a6e43dcadab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:27.406015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047434/manifest.json
observed 1a10e4db5c8a41e7b3be7af93029c452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:27.387986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047434/publication.md
observed a3757b4d8f45937e7e2345bcffc082f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:27.366954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047434/publication.txt
observed 7a3639374d517b660942157de1989d96...
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.