OpenTechnical

OT-2026-000058401

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented before set-down

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-2026-000058401) never changes.

Identity and time

Publication numberOT-2026-000058401 · never reused
Internal UUID01a0ae88-f39a-7032-bd89-5391256bc4c4 · 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-2026-000058401
StatusPUBLIC

Content hashes

Canonical text74165a0936a7ceb04dcfb7687a2e698ae4d99ec184441e6bc2f1c7fc5cb3fdf5
Markdown1bcb6774a1a81d12c74aa0626ccb287406aa0b5550ee027609dfa470778b7c08
PDF
Publication pagead9cd103f42dae66c249d59de1d9f8e89473f0b14dd7a747152be2ee8ba91117
Manifestb2e5a1e11bfc5017e93ffa0857acfffa9345f27789a58773c3768b7b747b32c4

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
Signaturep0s3KhuafvlepzjiPAvZPwr4KVhyyITf8Bg+rnnFf14o/RVnc075/4LXtv4xtXu9SlLbnnCcNdhSgM/E1qDHDw==
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

2026-09-17T10:46:49.864200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058401
observed ad9cd103f42dae66c249d59de1d9f8e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.848188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058401/manifest.json
observed b2e5a1e11bfc5017e93ffa0857acfffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.830902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058401/publication.md
observed 1bcb6774a1a81d12c74aa0626ccb2874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.813288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058401/publication.txt
observed 74165a0936a7ceb04dcfb7687a2e698a...
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.