OpenTechnical

OT-2026-000059656

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000059656) never changes.

Identity and time

Publication numberOT-2026-000059656 · never reused
Internal UUID01a0ae89-ec24-7669-9dcb-39dca06edb79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059656
StatusPUBLIC

Content hashes

Canonical textc076780d365c64a9c43ddfa3257cc674ce97bfe25a1ed01b8823431cb4ab8865
Markdown870d539601ec8621f731324a513403b6feaeb26867f8a0906080937ecb142069
PDF
Publication pagec33c1e36574ffc6ef301572ab19f6e2e6bfa1b15ee837ce0f7c601585e34af89
Manifestc1278fe872f0a3935c2a43e821a1270b6203e22db60458644a57546af4feeb3f

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
Signatureqe/OY7/iczV1xjM5QYudRp7ukdWtUwb5AmT/SYyG6/KRfFGh6SqXLjb0WgZgre5/2WYga0LBfJY2KQkzQxK5AA==
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

2026-09-17T10:44:21.226758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059656
observed c33c1e36574ffc6ef301572ab19f6e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:21.207483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059656/manifest.json
observed c1278fe872f0a3935c2a43e821a1270b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:21.188739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059656/publication.md
observed 870d539601ec8621f731324a513403b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:21.171974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059656/publication.txt
observed c076780d365c64a9c43ddfa3257cc674...
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.