OpenTechnical

OT-2026-000058189

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000058189) never changes.

Identity and time

Publication numberOT-2026-000058189 · never reused
Internal UUID01a0ae88-6edb-7112-8065-3219d483dc10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058189
StatusPUBLIC

Content hashes

Canonical textbf702feb4a43119bc7957bf0c37c89a796f43e7359381c73a271dab3904fbff5
Markdownfc2aff39056c2e09ed30b04e0687c08d388064e7a2995d35a2d4dd87d4df8dad
PDF
Publication page61f81a71db1aab2706306554cceece4f1feb68a5078744f69a7f2b583ee2d504
Manifest6841452907d675c15cf8ca632ec7b198cd7894c26ade68120e89cba93e9fd978

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
SignatureLa5QY2ac9UGhGKrEWGTEP5Pco9BwBx/zs/C99b2K6xxTcR0BGAcWuHI3kO00Vsqkc3pfWTajcDtNMsFpFPVGAg==
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

2026-09-17T10:47:53.764558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058189
observed 61f81a71db1aab2706306554cceece4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:53.746626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058189/manifest.json
observed 6841452907d675c15cf8ca632ec7b198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:53.728250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058189/publication.md
observed fc2aff39056c2e09ed30b04e0687c08d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:53.709312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058189/publication.txt
observed bf702feb4a43119bc7957bf0c37c89a7...
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.