OpenTechnical

OT-2026-000058341

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000058341) never changes.

Identity and time

Publication numberOT-2026-000058341 · never reused
Internal UUID01a0ae88-f398-71b6-b3e2-37382fc9b360 · 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-2026-000058341
StatusPUBLIC

Content hashes

Canonical text1d81363c14ec443d9058d9990d9be6f8f4feb7656b84a39665a752df7cd19407
Markdown12d64d362ea79ff58708e014c5e62b2c7caac4963624b233a601609e1b43929b
PDF
Publication pagebf53e776ac1246a520718b370ff484cc804890ee70aeed84161867d31ff089d4
Manifest285d774555f990a30d4442e6d2e41a21b3a7a8affefab715a87f202e9bd946fc

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
Signature7mlSe+DY5CAiAUdFiRh7K4pKh4ACdl3rsy/chxN6gUhKf3KpLLXst7yt5T7sbZ/3c2+ObvcH/1rDr/FWwxFyCg==
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

2026-09-17T10:46:45.175970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058341
observed bf53e776ac1246a520718b370ff484cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.157822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058341/manifest.json
observed 285d774555f990a30d4442e6d2e41a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.140215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058341/publication.md
observed 12d64d362ea79ff58708e014c5e62b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.122998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058341/publication.txt
observed 1d81363c14ec443d9058d9990d9be6f8...
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.