OpenTechnical

OT-2026-000063714

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-2026-000063714) never changes.

Identity and time

Publication numberOT-2026-000063714 · never reused
Internal UUID01a0ae8c-f946-7cfb-8639-05626cfdb055 · 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-2026-000063714
StatusPUBLIC

Content hashes

Canonical text17bb7c82ed15d91e077947df381ebbf6931bcbc2ad9911ff0eee18d1fa497698
Markdown570a507dc18a2e4671bc982c148c635b91ebf0ec02deb08881fc4a9a869729e1
PDF
Publication page42333fd2688703ac5aae49e025ed38367af03b51327072b5b1ba81b611c2e380
Manifest375fd23fcd6e4451243225735a5ec00d6137eefd49a2b22dc17246124f31331e

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
Signature+gbEvIvTnR9Psyb7KUfEdq26WwOagu292LMkk2YAj5BzZ6LAgVpyKHqKFBUqXMdP48eC4eFNiaH4u1sW/KeODA==
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

2026-09-17T10:37:50.373474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063714
observed 42333fd2688703ac5aae49e025ed3836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.354961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063714/manifest.json
observed 375fd23fcd6e4451243225735a5ec00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.338334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063714/publication.md
observed 570a507dc18a2e4671bc982c148c635b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.320890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063714/publication.txt
observed 17bb7c82ed15d91e077947df381ebbf6...
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.