OpenTechnical

OT-2026-000005039

Publication integrity record

Vacuum cup gripper, four outlet manifold, plant vacuum fed, contact triggered on the face

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-2026-000005039) never changes.

Identity and time

Publication numberOT-2026-000005039 · never reused
Internal UUID01a0a92b-e46e-745b-928a-f5c0473dbd70 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:43:41.168961Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005039
StatusPUBLIC

Content hashes

Canonical text600e1b816269825ca86be1b3822a867e4be0c0a932eea8a62e19d949a36f4c44
Markdowne523c027debbfdf23b25da21950839b228c1b3d49a740a08c86c64f4ad1f1bd4
PDF
Publication page7d86b39f577f9bedc145a6199dfcb264e18dc37ebadb0318968221d167f98657
Manifestaf5ffaf8c77d3246cb2679832e1a71ee3b5c03c09874ffe3c0a79eace629d63a

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
SignaturejT+xrM5bgaH9kEVMm18m7bFN+apXG8dj4ueqOa2+0noPRaNV9i3B+LUjQ7yE9Dd4a7o/5wrOHyyelDHWja6yAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:22.155786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005039
observed 7d86b39f577f9bedc145a6199dfcb264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:22.142661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005039/manifest.json
observed af5ffaf8c77d3246cb2679832e1a71ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:22.129241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005039/publication.md
observed e523c027debbfdf23b25da21950839b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.993437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005039/publication.txt
observed 600e1b816269825ca86be1b3822a867e...
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.