OpenTechnical

OT-2026-000052224

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000052224) never changes.

Identity and time

Publication numberOT-2026-000052224 · never reused
Internal UUID01a0ae83-e790-7520-8166-61dff6264fc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052224
StatusPUBLIC

Content hashes

Canonical text80d288e7d12126d0f23a94a7efd5369f9074c21357dd3547bd684266075bf355
Markdown95c20012dbbd4d9f31706b04e89893bb0e62ef330ecaa932095d025c51be5fba
PDF
Publication pageee86140f451044454e54557fd6e2bddd3990a81048d83a5ccab18bb476db636b
Manifest602da2b67a1db15eeb7b007085b51b2d532a70dae0f032e075d74618a7506e41

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
SignatureCZE4KMCu1GdrVMXDcuiWGH6jc6Yx4i7ocGZJKf2OBtO7PhBRfimJaunTml8DqkjzHe6C1AxIKVmExxUlZ0UJAA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:47.844130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052224
observed ee86140f451044454e54557fd6e2bddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:47.826133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052224/manifest.json
observed 602da2b67a1db15eeb7b007085b51b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:47.808348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052224/publication.md
observed 95c20012dbbd4d9f31706b04e89893bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:47.790575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052224/publication.txt
observed 80d288e7d12126d0f23a94a7efd5369f...
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.