OpenTechnical

OT-2026-000102708

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pulsed 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-2026-000102708) never changes.

Identity and time

Publication numberOT-2026-000102708 · never reused
Internal UUID01a0aea4-858b-7abc-b4ef-58996dbe9832 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102708
StatusPUBLIC

Content hashes

Canonical text743321fe8f8d0eaa27473f0bbf7ca311c528bcb0d5c051c005b6868791ae123c
Markdownecc9af043f8699c06f4fc655c5e2f5320409339359e6ebbaa0e872583cb9d2ce
PDF
Publication page04b48107dc4b9f845b24a73d803f74509547988193a547e44b44b65a074a5cd3
Manifest36d18a5bc2195a4b558ab5b631c82af12f71c67a5bd487628a2a12a24ee2ac71

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
SignatureP3eZs6r3PgFpAZU0l1vsyNFqL8lfAtGt6XLLOOwalTXqT7dkYjC68SjbmGx8fwCaFOHlRlzXRdIwOQXXLmsvAw==
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

2026-09-17T09:23:40.343659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102708
observed 04b48107dc4b9f845b24a73d803f7450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.327414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102708/manifest.json
observed 36d18a5bc2195a4b558ab5b631c82af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.310420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102708/publication.md
observed ecc9af043f8699c06f4fc655c5e2f532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.280492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102708/publication.txt
observed 743321fe8f8d0eaa27473f0bbf7ca311...
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.