OpenTechnical

OT-2026-000089197

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000089197) never changes.

Identity and time

Publication numberOT-2026-000089197 · never reused
Internal UUID01a0ae9b-db00-75a3-bcca-84cced2a1991 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089197
StatusPUBLIC

Content hashes

Canonical text1309203f110fb1315c1dfe28de226f1fc2e5491cad52d5f76c2494930b896d90
Markdown7966f3133af1748618656e14a037330599c5019cb418c65d2e93421c92fb369e
PDF
Publication page084debe6322e101fccb80985d3a6505ecd7ce697b44a3e1c3a9d6e5a1434d00b
Manifest04fa62c1a0aa0249039e6e5aaa82cf958e6f119c461bf42fc59d0967c1efa540

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
SignatureWRH9sbxrc4NhLTnvIFKctwHdn5PKI4MKJQmB9VscZB6F3xg7eWppG9b+HeJmKYLmkWnjU6GL/rLG7JJs2jeECw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:12.909766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089197
observed 084debe6322e101fccb80985d3a6505e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.892787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089197/manifest.json
observed 04fa62c1a0aa0249039e6e5aaa82cf95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.873545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089197/publication.md
observed 7966f3133af1748618656e14a0373305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.855013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089197/publication.txt
observed 1309203f110fb1315c1dfe28de226f1f...
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.