OpenTechnical

OT-2026-000086757

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum 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-2026-000086757) never changes.

Identity and time

Publication numberOT-2026-000086757 · never reused
Internal UUID01a0ae9a-80a4-7ad8-a05f-2601658593b7 · 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-2026-000086757
StatusPUBLIC

Content hashes

Canonical text88fad76478ada8afe4e48062a16aa83d527207ebba531c065b6da18f8f012ce4
Markdown02e0f59fd2eec811a9342be5b6c351ab64462a0d5b7769e919bc419f2494357c
PDF
Publication page6964dbc336c4b45dded4e3ff3d253229faa32dbde2c9e9599774d4006cabd19a
Manifest4451cc27f0b33cb1160a9bef7ea86617d165edbf70002bdb7c45b31f92aff45f

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
SignatureWu6LiN8Th1KHLQfyz5mMA9qGHVniUj/V/XMV0mUSZJbTpe8ZFt34z3jEsW69URnH9Z0ZfGyd6JXSslIT7gK/Dg==
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

2026-09-17T09:51:33.540087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086757
observed 6964dbc336c4b45dded4e3ff3d253229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:33.522153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086757/manifest.json
observed 4451cc27f0b33cb1160a9bef7ea86617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:33.504975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086757/publication.md
observed 02e0f59fd2eec811a9342be5b6c351ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:33.488912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086757/publication.txt
observed 88fad76478ada8afe4e48062a16aa83d...
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.