OpenTechnical

OT-2026-000072868

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000072868) never changes.

Identity and time

Publication numberOT-2026-000072868 · never reused
Internal UUID01a0ae92-89db-789e-911f-0cc9153ea076 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072868
StatusPUBLIC

Content hashes

Canonical text5e328ee960204dacc96f7135d3efc994a20388a4de0f222da7eceed409c3443b
Markdown2d853d7e6b2247db64f342db67a1def4a56c1a6ba8ad61e4a60f81f67dd09dcd
PDF
Publication paged418ad72b0fa937e728fb7b264892bf3069ce75e334bb8d8786f941e0e3600ca
Manifestf8b329a882b1340a283b8c269d4189d37a5e74ef75e5aef54e161c19a03514bd

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
Signature9Zz2nEg/th+HiqV3l4mqfu45MCglQh1v/L9w6GGrSYdgtQYptOq63HX6BqCFJSscx7Ln3dQ/IA89tMio8TrCCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:47.624785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072868
observed d418ad72b0fa937e728fb7b264892bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.607400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072868/manifest.json
observed f8b329a882b1340a283b8c269d4189d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.591185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072868/publication.md
observed 2d853d7e6b2247db64f342db67a1def4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.573284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072868/publication.txt
observed 5e328ee960204dacc96f7135d3efc994...
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.