OpenTechnical

OT-2026-000019035

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed blow-off before 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-2026-000019035) never changes.

Identity and time

Publication numberOT-2026-000019035 · never reused
Internal UUID01a0ae6e-d523-783c-81dd-590ef2b4bd3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019035
StatusPUBLIC

Content hashes

Canonical textde4ed6a858234b1b86d7159e2f7e8c9085072d458ffac6983f9b778d38185dc0
Markdownce5ef1a9e64bd4c60326326e4d1d5fc1c6e7a67257338bd8375a518e0c6e4b43
PDF
Publication paged3a21b9a9b6fe0075c1a0d55899618ef830d2119607a0952f86167ea9939ebd9
Manifestf9b6c1129e61183414d92682096419f59d4908cd4a49ad53fa54076f642d0727

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
SignaturemysO1UUgjjcb/X+bjK9cdnxh59Z4FNwmQJFelY5+Jz3sfc93XusZd5FSST3klc33wiIPI8yeTZKYkLCjms8sBQ==
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

2026-09-17T11:59:43.543998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019035
observed d3a21b9a9b6fe0075c1a0d55899618ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.523699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019035/manifest.json
observed f9b6c1129e61183414d92682096419f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.505111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019035/publication.md
observed ce5ef1a9e64bd4c60326326e4d1d5fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.489027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019035/publication.txt
observed de4ed6a858234b1b86d7159e2f7e8c90...
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.