OpenTechnical

OT-2026-000097315

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000097315) never changes.

Identity and time

Publication numberOT-2026-000097315 · never reused
Internal UUID01a0aea1-01cb-7ea8-82dc-91520c786156 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097315
StatusPUBLIC

Content hashes

Canonical text16bb7e853eb2e96a9fab7c05ba988558eb55f9d5cc35a7387a124e7cb57359f6
Markdown8b45ce29655daa69d3f70e4f2fd5e70bd6b6d4cc19809bf222fc56bafcdbba3e
PDF
Publication page7a97dcd5e244f177a048fcb42429936ea2b54fe6c1cc5d7c332b01fc4bab745a
Manifeste3f65f775737f5858727a14e8b5a1eabe37c90607dca27e7ab7a5a3f1560ac32

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
SignatureNa3iLgm2MMvx+2MDpir5QnFmcwwgWmq28ykBtdq42HxsUe2TkKBjRzMigMOHUCt7hAOUBzOEndlLa7idlfY4Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:34.648526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097315
observed 7a97dcd5e244f177a048fcb42429936e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.632287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097315/manifest.json
observed e3f65f775737f5858727a14e8b5a1eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.615563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097315/publication.md
observed 8b45ce29655daa69d3f70e4f2fd5e70b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.599859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097315/publication.txt
observed 16bb7e853eb2e96a9fab7c05ba988558...
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.