OpenTechnical

OT-2026-000026189

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000026189) never changes.

Identity and time

Publication numberOT-2026-000026189 · never reused
Internal UUID01a0ae71-a841-70da-98a3-372230b7d127 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026189
StatusPUBLIC

Content hashes

Canonical textee1d36f2475b0ef9b02d06a1a8ea864812fc56f81254dca66b2c72e3cedc9d0e
Markdown570e87168cced44a82b65abce8338485716b2fa1b90614681991dba789e54747
PDF
Publication page966faca4cbd9d72af0db1cd910f7152ccf0c882a2bc4cb88a7a5644b078b48b3
Manifest6f14f8284265a34a48cd4a6fb82912d9473a32e8f67aa57cba71df304910dcb1

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
SignatureloYgxHF3dIw3I4RyS+f3lUcfaTcA2ytgvhuTPC9UgqrAugcSD2Vr2Np9agMQ9x8JL2acJnhPuCI9BWxxSWigCQ==
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

2026-09-17T11:46:42.191912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026189
observed 966faca4cbd9d72af0db1cd910f7152c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.172491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026189/manifest.json
observed 6f14f8284265a34a48cd4a6fb82912d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.152629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026189/publication.md
observed 570e87168cced44a82b65abce8338485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.134286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026189/publication.txt
observed ee1d36f2475b0ef9b02d06a1a8ea8648...
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.