OpenTechnical

OT-2026-000103447

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pulsed blow-off after set-down

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-2026-000103447) never changes.

Identity and time

Publication numberOT-2026-000103447 · never reused
Internal UUID01a0aea4-e460-71c0-be6d-dc733935cc97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103447
StatusPUBLIC

Content hashes

Canonical textfe61f3fad803e06dbd6685188bb008737679df7554d6bc612fa2b2844ea6272e
Markdown90bff12bbbc1a001cbe868c8298a13889ac04231fc41f1fbe2e12541b04d875b
PDF
Publication page9262a60b4d3f34be52533a5d1ace836f3b36001c25e348b5116165794430c5ca
Manifestf9eed5d0d579489061ff9a0444304f894d1a9af49297466947478a8fdd8deb71

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
Signaturen18Q55gAjKd0uM+pj2YryXSCMEf9oQ6sk3UkBsq4XhFALy68uSUUR8rJ5F+55gcOLbA+jgJL2vUU4w9fpi4fBw==
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

2026-09-17T09:22:12.133051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103447
observed 9262a60b4d3f34be52533a5d1ace836f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.115874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103447/manifest.json
observed f9eed5d0d579489061ff9a0444304f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.098645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103447/publication.md
observed 90bff12bbbc1a001cbe868c8298a1388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.080924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103447/publication.txt
observed fe61f3fad803e06dbd6685188bb00873...
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.