OpenTechnical

OT-2026-000058381

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000058381) never changes.

Identity and time

Publication numberOT-2026-000058381 · never reused
Internal UUID01a0ae88-f39a-76da-870d-73a002a71b72 · 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-2026-000058381
StatusPUBLIC

Content hashes

Canonical texte84353ab55810683afeec2b180f5f4fd5dca5207e27b07cf8ed43c807e925b41
Markdownba42bcf9f1a228e4332294afadfa210c7c376ab58df4f9df3a0435ffe3238af1
PDF
Publication page1bab8b15054edff9dd46c9f937468907f033ff295f501024ab3bb91b94b48c4c
Manifest395c5b73ebaac1323bc2e61748b67ef884f5bdda289d7c05e9d03c014ea1d7fe

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
SignaturejxCuAYcI3dPB86gfNUDhQW6NPcQeE5taEPWJDnJ3Ait+DXMWhukbj05lNgaj3r7tLVocfLsv37jEpe0HZgKRCA==
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

2026-09-17T10:46:48.258081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058381
observed 1bab8b15054edff9dd46c9f937468907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:48.240956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058381/manifest.json
observed 395c5b73ebaac1323bc2e61748b67ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:48.223317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058381/publication.md
observed ba42bcf9f1a228e4332294afadfa210c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:48.205573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058381/publication.txt
observed e84353ab55810683afeec2b180f5f4fd...
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.