OpenTechnical

OT-2026-000104457

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000104457) never changes.

Identity and time

Publication numberOT-2026-000104457 · never reused
Internal UUID01a0aea5-3421-7fab-9e2b-6a629659a7af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104457
StatusPUBLIC

Content hashes

Canonical text8a92fe628db23da3b4604f224d49800c2d23ccb575350222e8ecc5cb3d5641eb
Markdown71bc768bd19dff69a463c7d5823af422e00109d7a6f851d20f0d9c152649fce9
PDF
Publication pagea132aa828ee9a4265df91abed68f7554b292ef182ca7d8d26f6f2fedd5400ec9
Manifesta0aced2c75b5ff9800310af15c090839908fe50c4f164fdfadeba8b9249eed12

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
SignatureqOQz8HAGJ8L+efcpeygGIbt5UNACpum04yJtxmoLQCULRT8AiH/WT0ru0fOtzLfeyv1TRbdg3lhDjhGytchdAQ==
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

2026-09-17T09:21:44.315661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104457
observed a132aa828ee9a4265df91abed68f7554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:44.299051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104457/manifest.json
observed a0aced2c75b5ff9800310af15c090839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:44.282418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104457/publication.md
observed 71bc768bd19dff69a463c7d5823af422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:44.266734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104457/publication.txt
observed 8a92fe628db23da3b4604f224d49800c...
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.