OpenTechnical

OT-2026-000086775

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-2026-000086775) never changes.

Identity and time

Publication numberOT-2026-000086775 · never reused
Internal UUID01a0ae9a-80a4-70e3-ac0c-4898ca140cad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086775
StatusPUBLIC

Content hashes

Canonical text1cb6901af08f1edc619eace21a290e70ea628dd5437049ba1d8f7a9a4eee248f
Markdowna3eefa0d3f58cdd38fa4dcd954f66f615ca938773523931c81fc275f6b87496d
PDF
Publication page71731374423462db1cd331fd06026ce57a8f04b46159f5c753cb4003977e64af
Manifest0ce81ba1f9d577d4d309834579f6332671650c8338c01a81ede6f0e6e6bbf87b

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
SignatureJr4xCGeMVJOKbEXLlg6ZH08SV4HHBs+Cil26yirXTOhmfWo/jVEX4q9gNwCumKmozt4gn2eYNJrgTwW+xbulAA==
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

2026-09-17T09:51:34.918649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086775
observed 71731374423462db1cd331fd06026ce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:34.900604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086775/manifest.json
observed 0ce81ba1f9d577d4d309834579f63326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:34.883199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086775/publication.md
observed a3eefa0d3f58cdd38fa4dcd954f66f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:34.866475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086775/publication.txt
observed 1cb6901af08f1edc619eace21a290e70...
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.