OpenTechnical

OT-2026-000032041

Publication integrity record

Single cup vacuum gripper, common isolation valve, 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-2026-000032041) never changes.

Identity and time

Publication numberOT-2026-000032041 · never reused
Internal UUID01a0ae74-bad3-7f83-b29d-1c09bcb05e6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032041
StatusPUBLIC

Content hashes

Canonical text7a9d34367648fbc7c44761712e128748764b53a8b0a3e11fda2122631bfe59b2
Markdowna85dce80e47f04ea521a4fbbc3636382110b7dd7dc255f3e639517c5c4f673d1
PDF
Publication pagee7738cd36105d3187ffe5d4069a5da24f662d36ac5e251c460a4dbed311b59ea
Manifest003dc800c2e3e8c20532acdf7db7725f3c875f5b653c406e9833c5a95eaca821

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
SignaturebD+67CcFLk7yZLtCOf6j/b+TZnah7ht5Pihn7kkEyDo5Zgwlcdjy85kyIa2mnmTjbLYO6cn24jwcrZcwA2jQAw==
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

2026-09-17T11:35:27.249328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032041
observed e7738cd36105d3187ffe5d4069a5da24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.231218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032041/manifest.json
observed 003dc800c2e3e8c20532acdf7db7725f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.213576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032041/publication.md
observed a85dce80e47f04ea521a4fbbc3636382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.193412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032041/publication.txt
observed 7a9d34367648fbc7c44761712e128748...
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.