OpenTechnical

OT-2026-000058393

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-2026-000058393) never changes.

Identity and time

Publication numberOT-2026-000058393 · never reused
Internal UUID01a0ae88-f39a-72dd-9dfd-74ac52b33ff2 · 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-2026-000058393
StatusPUBLIC

Content hashes

Canonical textf6c2f0235b33283682951dba07081f9ccd17120efaccdf166924fdec2f4323ce
Markdownd4f05cb62c7c23a39c8671357798dc85010e122c5e8f99f34f91d3e861185cab
PDF
Publication page150d4da0f440f66074cfd2fbe5a077489b5aada098f7df0f065fa0269562f21b
Manifestc3bc1a682bd7e0c395f4cbf7f116613f8c0c601172032e29c95bf766e39a0584

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
SignatureDsFPMG7bAfNzrNYprE5N1sELsRkOolZhAEg2e2qV/RvFwsY0Ek9N3EPl0GgCPar7HLmPqMiPMkG9SEB9gCIFDA==
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

2026-09-17T10:46:49.298498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058393
observed 150d4da0f440f66074cfd2fbe5a07748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.280202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058393/manifest.json
observed c3bc1a682bd7e0c395f4cbf7f116613f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.262424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058393/publication.md
observed d4f05cb62c7c23a39c8671357798dc85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.245441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058393/publication.txt
observed f6c2f0235b33283682951dba07081f9c...
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.