OpenTechnical

OT-2026-000059453

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000059453) never changes.

Identity and time

Publication numberOT-2026-000059453 · never reused
Internal UUID01a0ae89-8617-721f-8e32-0867300cb0eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059453
StatusPUBLIC

Content hashes

Canonical text0a50fd87aad04c66bf855432c0991a19dcd20c1d2134c862aad29d24080c539d
Markdown54f6fbcbfac3ed6d88a6c003f803b1b48a8fdf7fec295cc8d6362d2ab862290b
PDF
Publication pageb7d4720238cd7501f4dcf1567c9feb1be38aa9d53f34c289cf0a5b9fce74aaf1
Manifest7b8546684f71b60d2b8588c6b7dd2daafa974239914cca74095080b8de2614d1

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
SignatureMaqL/ByFkBzb23cBacCSY0RfJ8+NoCa1dF50ZgPDgZmsA0ovUMR12gzlve4ml01+o/SSIHEQ/4KpTMsdk2l7Dg==
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

2026-09-17T10:46:08.912930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059453
observed b7d4720238cd7501f4dcf1567c9feb1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:08.895169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059453/manifest.json
observed 7b8546684f71b60d2b8588c6b7dd2daa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:08.878277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059453/publication.md
observed 54f6fbcbfac3ed6d88a6c003f803b1b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:08.860722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059453/publication.txt
observed 0a50fd87aad04c66bf855432c0991a19...
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.