OpenTechnical

OT-2026-000031810

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000031810) never changes.

Identity and time

Publication numberOT-2026-000031810 · never reused
Internal UUID01a0ae74-bad1-7c1f-a2ec-efa7490d8cbf · 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-2026-000031810
StatusPUBLIC

Content hashes

Canonical text8432b047c5e3f6b22e880b8a127c7b7477ec15d4a5e6840f19e2eca44f10aa75
Markdownbeedd0be95f95f119f1dee70fc8e4691a8e13be495c12e2300f1fb38d896e211
PDF
Publication pagedece986c5de661dfef7550386f9b53edf1ed541e52a8be1fa57fe0fc928ef877
Manifestd9c26039742d772b6623b1b26e1a94d9ddf51779b9df7e42ecd58caa7e649e73

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
SignatureNw0sAXwMH36fkSEhBHlmGsFmp4Vc+GKNwLCCF/V0rtPyUpNOiA4x3Ny5erjKDyFNDQxLZxL7c0PQb3hplNnBBQ==
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

2026-09-17T11:34:57.958341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031810
observed dece986c5de661dfef7550386f9b53ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:57.926462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031810/manifest.json
observed d9c26039742d772b6623b1b26e1a94d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:57.897024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031810/publication.md
observed beedd0be95f95f119f1dee70fc8e4691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:57.872808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031810/publication.txt
observed 8432b047c5e3f6b22e880b8a127c7b74...
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.