OpenTechnical

OT-2026-000058405

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000058405) never changes.

Identity and time

Publication numberOT-2026-000058405 · never reused
Internal UUID01a0ae88-f39a-753b-a430-56eb1ecdbc91 · 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-2026-000058405
StatusPUBLIC

Content hashes

Canonical text8a1d189f3f2947bc450aeae5a088506e918f80c598875fb3c841c43e8750a634
Markdowna8d7992702179ca230064e724d3c9e22b64b0e61420c3d0c579bc4d8b1a251be
PDF
Publication page83f3275c4af6e6a65cb5c2d5ff274c6b50de3d0a402d50d4f6045215f7114858
Manifestb21abc50dc9632d5fab945db5e377a807d954fa52e11fee305a6182544a5a20d

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
SignatureHG2F3OKtoef+jQkfvmCYY7jKqc04BIXUR11RBNQLmNF21Lk0fkD8Cl8hZR+qyt9wNM/Wn4EP8SR6Mpfa3atLCw==
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

2026-09-17T10:46:50.138764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058405
observed 83f3275c4af6e6a65cb5c2d5ff274c6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.122139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058405/manifest.json
observed b21abc50dc9632d5fab945db5e377a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.104640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058405/publication.md
observed a8d7992702179ca230064e724d3c9e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.086463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058405/publication.txt
observed 8a1d189f3f2947bc450aeae5a088506e...
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.