OpenTechnical

OT-2026-000012946

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000012946) never changes.

Identity and time

Publication numberOT-2026-000012946 · never reused
Internal UUID01a0ae6d-5564-7c32-a638-ef610e93316d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012946
StatusPUBLIC

Content hashes

Canonical text2ae00ebc46836deff672f9239e591245ce41f93dca7e183971e41ec93abd628c
Markdown9050f681570efad53d0ead0c11934b89eecbde7c7a4b78d1c4dbe673d77da04a
PDF
Publication pagef1e5faf15ebc1f2fb049926e4f2777a6603d2051cb841ea2fe241544c1b9d7b3
Manifest6cd80298519307042df45bf916d6863a69be38674b6421d3f0a0db39c0bab60d

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
SignaturelqIuaBuweKFpGb6tVoT3INbBmSMH0/fPFYfhooOzqQjPzY4HY4Noq1EqnhQ6zHdo9tkGhAvuXHUDpmAi5zSJBg==
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

2026-09-17T12:10:45.076334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012946
observed f1e5faf15ebc1f2fb049926e4f2777a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.058644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012946/manifest.json
observed 6cd80298519307042df45bf916d6863a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.040260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012946/publication.md
observed 9050f681570efad53d0ead0c11934b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.017701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012946/publication.txt
observed 2ae00ebc46836deff672f9239e591245...
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.