OpenTechnical

OT-2026-000047554

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000047554) never changes.

Identity and time

Publication numberOT-2026-000047554 · never reused
Internal UUID01a0ae7f-3e59-73da-be8b-4520a916a40a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047554
StatusPUBLIC

Content hashes

Canonical text781e1c299afff229d03c52162ba8c2e02dbcc61127b6535043e7676488086aec
Markdown94f8543bbf1bdaf2924cf3c545ca3f44a3ff0d3850eeeedf69b127335c99bfb6
PDF
Publication page50a28a35ec33e0e6d698107d4454bb528122dfa78f13fabc2c4488d6340cbbec
Manifest8a4d0df120dcc04ad94bdd4850b67ae8144ed08ee54f9b0598d667cb7b4c00aa

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
SignaturejxyLqSQfUaHegAWElBtqb7183OixTZFk1D2+7Dc54LVsL5ThFc0AjY94bQZzzZ2eDJ/FGv8SzUJMqtJazM5zAw==
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

2026-09-17T11:06:40.500593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047554
observed 50a28a35ec33e0e6d698107d4454bb52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.484404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047554/manifest.json
observed 8a4d0df120dcc04ad94bdd4850b67ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.466848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047554/publication.md
observed 94f8543bbf1bdaf2924cf3c545ca3f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.448680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047554/publication.txt
observed 781e1c299afff229d03c52162ba8c2e0...
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.