OpenTechnical

OT-2026-000075824

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented before 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-2026-000075824) never changes.

Identity and time

Publication numberOT-2026-000075824 · never reused
Internal UUID01a0ae94-29fe-7ba4-a206-807fa093e709 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075824
StatusPUBLIC

Content hashes

Canonical texte80edb1979323a4cf2ed81a5eeac8c2d3c1195569b05e5dbb4a95e92f0268a8a
Markdown46eded8e9d72bf8931152cd1675cb1d810e56c1508425e491ddca256858ae6d3
PDF
Publication pagec18c93523e15a73c3712e69254470473b2dc712f21cb57d170d4a89f0706a4da
Manifest7bdbd02dc9c9713841532f6651ca1fc8489ec8401a39c4adb56c12a0744149fa

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
Signature71YiwK2uAVyzF/xVdceMVxhU89Dr4wfTrebBtrifZeEvWiNsOb/PlQ+Fid6sA6RaPRytakw2Rh9uSp4FF0JdCw==
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

2026-09-17T10:14:22.265357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075824
observed c18c93523e15a73c3712e69254470473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:22.247219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075824/manifest.json
observed 7bdbd02dc9c9713841532f6651ca1fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:22.224420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075824/publication.md
observed 46eded8e9d72bf8931152cd1675cb1d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:22.206513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075824/publication.txt
observed e80edb1979323a4cf2ed81a5eeac8c2d...
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.