OpenTechnical

OT-2026-000062554

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000062554) never changes.

Identity and time

Publication numberOT-2026-000062554 · never reused
Internal UUID01a0ae8c-0ac1-73cd-b9d8-c48b663667c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062554
StatusPUBLIC

Content hashes

Canonical text28a125cdaa880778a5ca0db6360b97604eef858286777f53a51fbd9874f6e7f3
Markdown3df4f9ffdb6297906fdfe1bc3e5ff05f5135219e9f7a177c17df1c96153e6f1e
PDF
Publication paged32140d1722d5fd5ba006d769c5545b0c74db52a64b434f77a3fdcc0a2a108de
Manifest06c047347020f39bf56c9790e6135e16b3b503254246a0efc11cf3b7ccdcbde3

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
SignaturerHHCgJGsWpYC+m8r+UrlhMfWfMZVC9WsNh58/dzJhO3+SLx+nw7szGSpT87fxK7x36aJl6uWtmKXFmhBYy4mCw==
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

2026-09-17T10:40:01.539599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062554
observed d32140d1722d5fd5ba006d769c5545b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.511726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062554/manifest.json
observed 06c047347020f39bf56c9790e6135e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.475050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062554/publication.md
observed 3df4f9ffdb6297906fdfe1bc3e5ff05f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.451691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062554/publication.txt
observed 28a125cdaa880778a5ca0db6360b9760...
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.