OpenTechnical

OT-2026-000015949

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000015949) never changes.

Identity and time

Publication numberOT-2026-000015949 · never reused
Internal UUID01a0ae6e-0c4d-7c9f-8ee1-eb84f8a3a6a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015949
StatusPUBLIC

Content hashes

Canonical text6dd1d13f55381aa150f7d78e3c338434bf3342520edd532a5182a88a512ff832
Markdowne4665b8a64173b5abde03545345f97053697ffd7df57d02bf337e16861562337
PDF
Publication page36d3677fef26d61cb58ec4d54d16eade53b10eccb20f35ddd6887c6ee1edc44d
Manifestb154c9c70c0a6d7abca9bd762b9d37cbad3665fb41e5bb885eee4f039ae7e0d5

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
Signaturess2CcYlKC74mwomuNQTi+0YqEpITmoVgqMSAsmCajMpbRiu47ObSigTwBxb7w+SYjqU/MVBKQEXOX0/S+r5JBg==
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

2026-09-17T12:05:25.758384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015949
observed 36d3677fef26d61cb58ec4d54d16eade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.731624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015949/manifest.json
observed b154c9c70c0a6d7abca9bd762b9d37cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.707816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015949/publication.md
observed e4665b8a64173b5abde03545345f9705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.680508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015949/publication.txt
observed 6dd1d13f55381aa150f7d78e3c338434...
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.