OpenTechnical

OT-2026-000048009

Publication integrity record

Single cup vacuum gripper, plant vacuum 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-2026-000048009) never changes.

Identity and time

Publication numberOT-2026-000048009 · never reused
Internal UUID01a0ae7f-c423-7ba4-8368-76c37254fc44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048009
StatusPUBLIC

Content hashes

Canonical text65f9ba628174e364e66fad0d88e893497e4c05fde4055a378748f3c9d86aaa07
Markdown539159ee691d9da0e825af122b90c84fef804d197cbd6058f00673b6cd8fd9e8
PDF
Publication pagea9ab19b6ede7e93aaf932b270887d7133dbd7ed4a40857fa232a5a272a83a968
Manifest0e38999d5d2a9800b09f032024696c208dd776ba6aadef58100a13098821b3a2

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
SignatureTBYDgANknpgzP7vTg0r2d3Dve3Ka/3DK7hYm7q+xl5igqa0Js+FPVpxx8mXxlKX6feAwN4hhHf4o+2pfKskdCg==
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

2026-09-17T11:06:00.050043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048009
observed a9ab19b6ede7e93aaf932b270887d713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.031265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048009/manifest.json
observed 0e38999d5d2a9800b09f032024696c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.012577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048009/publication.md
observed 539159ee691d9da0e825af122b90c84f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:59.995698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048009/publication.txt
observed 65f9ba628174e364e66fad0d88e89349...
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.