OpenTechnical

OT-2026-000008193

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000008193) never changes.

Identity and time

Publication numberOT-2026-000008193 · never reused
Internal UUID01a0ae6a-908c-78c9-b9a7-f107dfe5212f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008193
StatusPUBLIC

Content hashes

Canonical text13e26265e90e361e0521652fb78a6f7b03e6ee62bdd07c32f299eddb4c5cead4
Markdowncddf1d1fec2515ba8bbed5fc4cdbd56041e63132f8915c3c3aed2b7f91b32097
PDF
Publication page64ede9401e087553fd2b325748067581b94f5d733bfd450257460e0e9f8fa2bf
Manifest5f498f9f2662faec21a70cafaf9d1a1032a6d035b071384a249f7f4ff3d57808

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
SignatureBSdBNhigfp0ECNBAGq05X6mQnSno5q+6xWHksK8Xfo5LmvOMnNnaHlEfCsgWQ2VX1X9/OmyinfaxbADjdHpdDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:33.787417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008193
observed 64ede9401e087553fd2b325748067581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.766838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008193/manifest.json
observed 5f498f9f2662faec21a70cafaf9d1a10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.747911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008193/publication.md
observed cddf1d1fec2515ba8bbed5fc4cdbd560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.725105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008193/publication.txt
observed 13e26265e90e361e0521652fb78a6f7b...
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.