OpenTechnical

OT-2026-000080511

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000080511) never changes.

Identity and time

Publication numberOT-2026-000080511 · never reused
Internal UUID01a0ae96-7e78-75ab-a1b4-c126c76bc483 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080511
StatusPUBLIC

Content hashes

Canonical text0e8d9abb10c2e2af0e11c3480fa3fe26fa8698c9a87d658718f5687e18451096
Markdown4732f83f45ba045d9fcd8d462ce7d7c142a4b9861baf3c10b63c3299fc80ccfc
PDF
Publication pageb90156a91d789d9014ee8c667fcf624b9229c889e26613b912d86e16f326c62f
Manifestb53409bd180d2a43e1d002f8f34c750a47446bf4c07bd99794996933a0c8dea5

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
Signaturev5ESok4JwczeAEz7uaRafUdCMrjnLny6HVCBvRD9mw4mPdRTFwdtz1lMwYief01kWPyWUokzcrtWVDDwFl/pCw==
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

2026-09-17T10:03:02.003578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080511
observed b90156a91d789d9014ee8c667fcf624b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.985437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080511/manifest.json
observed b53409bd180d2a43e1d002f8f34c750a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.968692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080511/publication.md
observed 4732f83f45ba045d9fcd8d462ce7d7c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.950298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080511/publication.txt
observed 0e8d9abb10c2e2af0e11c3480fa3fe26...
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.