OpenTechnical

OT-2026-000063718

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000063718) never changes.

Identity and time

Publication numberOT-2026-000063718 · never reused
Internal UUID01a0ae8c-f946-750f-acb8-0e9e515d56d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063718
StatusPUBLIC

Content hashes

Canonical text50893c1ae7ca13cb7071be2068784ba99809a157d00d86fcde33a70878d0da1e
Markdownedfb1c6870c00b9b80c1d14ec9eee12269481a8d1224926157c8ee47bbcfdb73
PDF
Publication pagedb56d12f7bdb38fe7d7053b5f3bd635c1452f151290d357ee38f93f9734c928a
Manifest2d0a51740195d5b1d8b5357dfefdffb9428b60409fda3b9325f0aac062b6052b

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
SignatureK56KpXT9LvvoLH2+J0LiIpCFdkXGP7FWkTGs/dPv9x5wdq6UNHzUc7V9aDEpEsPG7ugilTyOFa/VUzEthtqxCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:50.670941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063718
observed db56d12f7bdb38fe7d7053b5f3bd635c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.653038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063718/manifest.json
observed 2d0a51740195d5b1d8b5357dfefdffb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.637315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063718/publication.md
observed edfb1c6870c00b9b80c1d14ec9eee122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.619096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063718/publication.txt
observed 50893c1ae7ca13cb7071be2068784ba9...
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.