OpenTechnical

OT-2026-000012484

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000012484) never changes.

Identity and time

Publication numberOT-2026-000012484 · never reused
Internal UUID01a0ae6d-39f7-7a37-af71-cffd4c6c6d42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012484
StatusPUBLIC

Content hashes

Canonical textcdf7e87ef8242de30fa9d40bcb39960bd4f6c86cead7d93771be0050a0ce41ad
Markdowne60e10f950f056c4b568f720eb0a470a9036bbf8f291cb8c76d7f46bb60b1946
PDF
Publication page1c924e780fae2cf861ac03938ab7c7ec73f5758fe634111652e2ad569c5fd66f
Manifest498e49fa6f1c3d0dd869c35b24aac351807922c7c4e08c021e8a5dedf5ff6252

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
SignatureXiMrkgp+K1NRK2ECFJvv7HkWzKLHj1iDnbK8qnN3FAs996Laua6MpP0RYF8/UPhnsxy9HFUUHhopebpruuYcCg==
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

2026-09-17T12:11:59.855653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012484
observed 1c924e780fae2cf861ac03938ab7c7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.837883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012484/manifest.json
observed 498e49fa6f1c3d0dd869c35b24aac351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.819031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012484/publication.md
observed e60e10f950f056c4b568f720eb0a470a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.800360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012484/publication.txt
observed cdf7e87ef8242de30fa9d40bcb39960b...
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.