OpenTechnical

OT-2026-000056003

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000056003) never changes.

Identity and time

Publication numberOT-2026-000056003 · never reused
Internal UUID01a0ae87-0a4a-75aa-ac1b-bd604da0c74b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056003
StatusPUBLIC

Content hashes

Canonical textffa16d1bb05f8aff9a306575758c7fe6c623e901380e894d894c9ddfa366f60e
Markdownd698170e8cec7581b967306d4950fde4b8292625081689dec83302f625a45ce9
PDF
Publication page9b27fe7e036e3688f7462aa935eb20bcdc6e26603e4cbf15add38fc077e50581
Manifestc544bd3d8f44eaf8fdb4465278d820b89f92c2ac8b10648a9723d484f706ecca

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
Signaturea3JJnVIdPyBw9izWTQF1snK/aDemkh7WDK7MHu2JxJrw5iL9QDjghWy6la6RQNu+pcZozLYCHS7zKSglnM9pDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:31.719192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056003
observed 9b27fe7e036e3688f7462aa935eb20bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.702097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056003/manifest.json
observed c544bd3d8f44eaf8fdb4465278d820b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.685041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056003/publication.md
observed d698170e8cec7581b967306d4950fde4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.667213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056003/publication.txt
observed ffa16d1bb05f8aff9a306575758c7fe6...
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.