OpenTechnical

OT-2026-000043722

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, sustained blow-off after 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-2026-000043722) never changes.

Identity and time

Publication numberOT-2026-000043722 · never reused
Internal UUID01a0ae7b-92d1-7e63-aae5-082e68799c55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043722
StatusPUBLIC

Content hashes

Canonical textb130050287b91e99c39827b4804d28e0185a660da2201667d46202319d8a488a
Markdownd31557143197e9541d25938b226c2f1fa6ae40e30616a7d78cf36905e16f43c2
PDF
Publication pagea08a32c384771bde6bdbca9c37337bff7b7b188f0cd5cc1984744b32fa2b1055
Manifest22690beb8ff9ff73ad36aee96c84a719aee4dece218a4537535953ef3f95c884

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
SignaturezMAcGDxBErE7HxrGVuCE37fSHpbAmqGS4VuEJsUtjxgojH0SJbvgEU8pZwVhQ0lSR4q6a1Qp9gsVwGhP18x3DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:13.487252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043722
observed a08a32c384771bde6bdbca9c37337bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.469625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043722/manifest.json
observed 22690beb8ff9ff73ad36aee96c84a719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.450127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043722/publication.md
observed d31557143197e9541d25938b226c2f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.428280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043722/publication.txt
observed b130050287b91e99c39827b4804d28e0...
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.