OpenTechnical

OT-2026-000081935

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000081935) never changes.

Identity and time

Publication numberOT-2026-000081935 · never reused
Internal UUID01a0ae97-0f76-7091-9692-788813157115 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081935
StatusPUBLIC

Content hashes

Canonical text4c0d48104b6d5565b0944f093733eb6dc4d3557d833696f0d2fc4724aee44c22
Markdowna5f186d327a2b84d8adef90591b6d4405b2e1bbedf5c59ad9a207a770fae4a93
PDF
Publication pagefd04e2597e4ef9ce73d2fa0431c822934fd8640e5777a1e3ecd5b4177cdb3b9d
Manifest5d69abecf9c7195559f57711cefe12c6130ca4e20d21ddeaf14ae6a5de23a549

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
SignatureJvLnuC2C9NDcfvAAS3tkvfXqdk62fBthvzIiAXl6VN0v8zbwY2IHYZnq2s9zHIgsvBhVwwB4QtNYl/2QknfxAg==
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

2026-09-17T10:01:04.039300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081935
observed fd04e2597e4ef9ce73d2fa0431c82293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.020738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081935/manifest.json
observed 5d69abecf9c7195559f57711cefe12c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.003505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081935/publication.md
observed a5f186d327a2b84d8adef90591b6d440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.985209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081935/publication.txt
observed 4c0d48104b6d5565b0944f093733eb6d...
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.