OpenTechnical

OT-2026-000058409

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000058409) never changes.

Identity and time

Publication numberOT-2026-000058409 · never reused
Internal UUID01a0ae88-f39a-70a8-95ba-4e9ff3a47898 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058409
StatusPUBLIC

Content hashes

Canonical textbf4c2520846f2cf201b438c211163ca806a5730f080e6cdc1ea73437eb1de42f
Markdown9f32d8bc9b334a594a1a447e72142a3563dfa738e2e141d600fe6b7e55579f63
PDF
Publication pagea38ca2784087476206afddc513fc0ab5473e1718a8a745f360742940a1131835
Manifest0c7fb9a56b67ba9284e0601de2ab79f387ca9623d4834f59fb86bc910159efa9

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
SignatureqXQSjCMZ/Nswt8yDPnOnoNI61Wg9YSInExvJyUsC/NMfd/1JrQWhIvAgv4A8mopLD48NTzQWy6nH+bOed+GCCA==
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...

Independent retrieval

2026-09-17T10:46:50.418121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058409
observed a38ca2784087476206afddc513fc0ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.401506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058409/manifest.json
observed 0c7fb9a56b67ba9284e0601de2ab79f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.385162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058409/publication.md
observed 9f32d8bc9b334a594a1a447e72142a35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.367536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058409/publication.txt
observed bf4c2520846f2cf201b438c211163ca8...
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.