OpenTechnical

OT-2026-000087145

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000087145) never changes.

Identity and time

Publication numberOT-2026-000087145 · never reused
Internal UUID01a0ae9a-9f2e-7ad9-9f76-10e30c3fd8e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087145
StatusPUBLIC

Content hashes

Canonical text123365f9b25c24ccb77f94dc58d5935801f7d1a735b47c0246d404ca29b8cdab
Markdown0ddbb1c6f85a8069416530d81d009c2955bbf18dd9f542528e25cc418bceeed7
PDF
Publication page78e8fe3e72ad6c86fdfb71117f5def4e5f5e654d17f8e11f985e98b7c1afa04e
Manifest3a2da1d2d59fcf343a3e6ba205138cda2a36ec3e49ce1f5b2bb6306cc1aee3ac

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
SignaturejE7Jrm012XI9kBF/UU8jbVQnGEf8z031wti+9MHJaNfNzjTLH8YHaTe0hX8RuNt8xSS8SGT01S1+UCTGvPBRAQ==
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

2026-09-17T09:51:24.603823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087145
observed 78e8fe3e72ad6c86fdfb71117f5def4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.587483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087145/manifest.json
observed 3a2da1d2d59fcf343a3e6ba205138cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.571126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087145/publication.md
observed 0ddbb1c6f85a8069416530d81d009c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.554106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087145/publication.txt
observed 123365f9b25c24ccb77f94dc58d59358...
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.