OpenTechnical

OT-2026-000058156

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000058156) never changes.

Identity and time

Publication numberOT-2026-000058156 · never reused
Internal UUID01a0ae88-6edb-7e97-952a-23dd04ded663 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058156
StatusPUBLIC

Content hashes

Canonical text42ea7544d53f3732c9637a33b723c1e14986b36af1704d6d5d18fe37b87b6625
Markdown19ebe2348bc3318ea2c043d6abd5fd2f77b2c6321a4355e61006f9b7e79dfb90
PDF
Publication page8c08872430736396d80dac721fa0952d8225dcd35557107b96e3766c233b38bc
Manifest43e3c5676ea36d0f293c227476f420f029ba018eed44b8fe999cd257a206ce95

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
Signature9W4JSaBSORULNctdyhupNHl6MB/u3y1fE+BwhTzo5BqaFWMCtt9GYH7zf2sZO/+8nFte0Ffy8du5K8rcawyeCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:51.014267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058156
observed 8c08872430736396d80dac721fa0952d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.995755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058156/manifest.json
observed 43e3c5676ea36d0f293c227476f420f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.977129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058156/publication.md
observed 19ebe2348bc3318ea2c043d6abd5fd2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.957293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058156/publication.txt
observed 42ea7544d53f3732c9637a33b723c1e1...
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.