OpenTechnical

OT-2026-000084973

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, sustained blow-off 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-2026-000084973) never changes.

Identity and time

Publication numberOT-2026-000084973 · never reused
Internal UUID01a0ae99-43b7-7474-bb54-641274ece696 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084973
StatusPUBLIC

Content hashes

Canonical textd566d7d1df0840951f34dd4f70b4abe791c6d3f81e4760993ee7ae2e0b360865
Markdown936668a8dc5128ef65343b5610c6743bae2c710878eb040af41b6f7d36b7de24
PDF
Publication pagee6bfb34891ea1e43b78b71be3ae8538ba3e155afeac33bde37461d04db7101e4
Manifest6ff6798581c4c95800e6ec2af673dccc54ad671d480678df2bf1c10991b7b505

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
SignaturexQ339833v66ZvAgUqABDpdCZzbjXaWSxxXDHAPbP48DwDN/Cx/tdcGJs9eXHybJXeW50IhswjepJS9qstiRpBw==
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

2026-09-17T09:54:58.364578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084973
observed e6bfb34891ea1e43b78b71be3ae8538b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.346562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084973/manifest.json
observed 6ff6798581c4c95800e6ec2af673dccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.329597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084973/publication.md
observed 936668a8dc5128ef65343b5610c6743b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.310707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084973/publication.txt
observed d566d7d1df0840951f34dd4f70b4abe7...
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.