OpenTechnical

OT-2026-000047716

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000047716) never changes.

Identity and time

Publication numberOT-2026-000047716 · never reused
Internal UUID01a0ae7f-c41f-7661-95cb-795421726d9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047716
StatusPUBLIC

Content hashes

Canonical text6d81f79bf14b9aca66fde2ced100a6514f80ae71ad5ca8ef0c342c43f3548fda
Markdownc488eb1707b68505ce226e17c92c600a17e909d82ac84d7229f75fa9ebe8ac9e
PDF
Publication page4496c5560fe96894fbf9ca6339b03a40b53ad636cb93856b52f7f99cef22ec60
Manifestea88d419287a653a29d08214c28984c658d7cc9d3f898f4100100dfc28aa24ac

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
SignaturefyVingFru8+avxPzbX+BDjt4+rc7sy+yHwa1rwbsp+ux6mfYPpIuk9ahESjCbYYvRrhTVa/qPh47A0iMMD5eCw==
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

2026-09-17T11:05:34.876287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047716
observed 4496c5560fe96894fbf9ca6339b03a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:34.858740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047716/manifest.json
observed ea88d419287a653a29d08214c28984c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:34.838789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047716/publication.md
observed c488eb1707b68505ce226e17c92c600a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:34.818060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047716/publication.txt
observed 6d81f79bf14b9aca66fde2ced100a651...
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.