OpenTechnical

OT-2026-000069108

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000069108) never changes.

Identity and time

Publication numberOT-2026-000069108 · never reused
Internal UUID01a0ae90-6dce-7109-8f61-cefae187aaab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069108
StatusPUBLIC

Content hashes

Canonical text8b38c9e4b30a81fc1da61e2ae0cf786b6b0e966cd5792e1bec44c89179d37300
Markdown627719956e9a25faea3dca1d665971840237b84febc6a6a29b5cf7a90a1ca3e4
PDF
Publication page42691a5b02e1264c2b2483f35f06ff686536f16b2f670c5dde2ccae36359528d
Manifestc9cd0a23478f3990c40cc109db014c52e35cb025187435f4ac8dc2016a9612a6

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
Signaturev/tfXM+DM2S9iZPjd/7LeGWOTTcUUq1r47ndeg/TerJbWTzU1w/mmBZjazZbVOVzkuO4CT5816mVMlOmpoBPBA==
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

2026-09-17T10:28:58.355125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069108
observed 42691a5b02e1264c2b2483f35f06ff68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.338439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069108/manifest.json
observed c9cd0a23478f3990c40cc109db014c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.320407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069108/publication.md
observed 627719956e9a25faea3dca1d66597184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.302848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069108/publication.txt
observed 8b38c9e4b30a81fc1da61e2ae0cf786b...
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.