OpenTechnical

OT-2026-000055663

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000055663) never changes.

Identity and time

Publication numberOT-2026-000055663 · never reused
Internal UUID01a0ae86-a103-7bca-9e4e-9ed04a555cbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055663
StatusPUBLIC

Content hashes

Canonical text247800a8b2873f7e9752dadbc4e0ca0066f1df0f0fb9c3d5cbdb8d73d3538f7a
Markdown2318919b9ce5894c62429c43b8e4833feef9a4583d145c559bf90a52146e2410
PDF
Publication pageb16d3a33f083c6452d36d0b7d15c9dbda4ea30279b35e388a03e69f91531d62e
Manifest8e55fbce6a35fc90bdc960f1c5f318e3f2732adfc13bec24cf014186e0abe6f5

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
Signatureq2QQNE8WQYSomeeG1dWLnq/Dx03zaY/G+p9k77AVJqCObD5eEdtOqrZsVAQk7ynk3D5GlNbvUecAvGFR0/4DCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:55.392445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055663
observed b16d3a33f083c6452d36d0b7d15c9dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:55.373449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055663/manifest.json
observed 8e55fbce6a35fc90bdc960f1c5f318e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:55.354282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055663/publication.md
observed 2318919b9ce5894c62429c43b8e4833f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:55.332207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055663/publication.txt
observed 247800a8b2873f7e9752dadbc4e0ca00...
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.