OpenTechnical

OT-2026-000050052

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000050052) never changes.

Identity and time

Publication numberOT-2026-000050052 · never reused
Internal UUID01a0ae81-fd78-731c-b18f-162a50c5094e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050052
StatusPUBLIC

Content hashes

Canonical text5577a62a1f7ac5491690deeaa5f67c342e4f559f13a49818d216248cebd414fe
Markdowna6ce586933f28d82be5d754fdba9978b4cebb854d6e306dbc37c001c64c2714f
PDF
Publication page0fa464b53a9b5a62fa651e04c2a299d3da2e7d9c673c9d49fca64dd0b25b7365
Manifeste0572235caadc1cd9470bea381e626f33e1531604da4abb2d15dfe8144b4b7ab

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
SignaturelzidV5WHE/KblFCR1nJ9xLn5Nak+1aA4Tgg5qUsg9NnD5FKzNhLoqk0pKY/baexW4yNpI/PfF2De137qjEBiBw==
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

2026-09-17T11:02:01.973240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050052
observed 0fa464b53a9b5a62fa651e04c2a299d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.955341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050052/manifest.json
observed e0572235caadc1cd9470bea381e626f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.936691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050052/publication.md
observed a6ce586933f28d82be5d754fdba9978b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.916933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050052/publication.txt
observed 5577a62a1f7ac5491690deeaa5f67c34...
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.