OpenTechnical

OT-2026-000058889

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000058889) never changes.

Identity and time

Publication numberOT-2026-000058889 · never reused
Internal UUID01a0ae89-479f-77c7-b35c-d541cecd8a4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058889
StatusPUBLIC

Content hashes

Canonical text2ff951e699beab3dbf4c28fc0d786d607b2f48bcb067afdd89e40830e1108c56
Markdownfab12ad14d522d920c0d4e0bc9baddea46803d757391694aa547178a38b1ce5f
PDF
Publication pagea81188f1ad783dd3a62e045ecaee8d1089cbda0f892f8dd8f00114c90fc24768
Manifest3369f3055063c8e218cbf0e3169158943d4203f1bf13ce1423c3cdb8517281a0

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
Signaturesr8ASK1i9miJn0aqEg7PUq+nE2t40dbDeEaND29Qc3VofuMNV77+jH7KUWU73LlMqK59SdIybarcNs2JuSQ8BA==
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

2026-09-17T10:46:26.193437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058889
observed a81188f1ad783dd3a62e045ecaee8d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:26.176417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058889/manifest.json
observed 3369f3055063c8e218cbf0e316915894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:26.157688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058889/publication.md
observed fab12ad14d522d920c0d4e0bc9baddea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:26.139680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058889/publication.txt
observed 2ff951e699beab3dbf4c28fc0d786d60...
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.