OpenTechnical

OT-2026-000058880

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000058880) never changes.

Identity and time

Publication numberOT-2026-000058880 · never reused
Internal UUID01a0ae89-479f-75d9-8a45-b64d3ac943a0 · 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-2026-000058880
StatusPUBLIC

Content hashes

Canonical text0e299f5bff518f45aaedb35234923dafeb1fb0faf74de2ea623c7c059864d031
Markdowna747d3a9c660759de42520a764678cdc88833ecfa28dffc83367e1db2a45504d
PDF
Publication paged5c1b14f56bc542f51d87de43e4a6fe33a5acb6dba677310980f2ae613b08436
Manifestaed513e7fbe3c0f529d0bf76e083528b61f41ee35c95157e14c83ac2b8dacd82

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
SignatureOAveVHDsV2dLHcN6MyRSJ/E7sN3ftkqTO5VMMUgDN4NaPriruHulULRTsFQi3JIso29P/8mnOxgyvu+NGhQdBg==
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

2026-09-17T10:46:25.498043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058880
observed d5c1b14f56bc542f51d87de43e4a6fe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:25.479792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058880/manifest.json
observed aed513e7fbe3c0f529d0bf76e083528b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:25.462646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058880/publication.md
observed a747d3a9c660759de42520a764678cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:25.445788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058880/publication.txt
observed 0e299f5bff518f45aaedb35234923daf...
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.