OpenTechnical

OT-2026-000060957

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000060957) never changes.

Identity and time

Publication numberOT-2026-000060957 · never reused
Internal UUID01a0ae8b-12f3-7a0e-9c1c-bd77bbdc60a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060957
StatusPUBLIC

Content hashes

Canonical textb10a65f915a3485da70028e45d9b59ca5519b42917578ffba04f587a79fbbebf
Markdown5bc65593ca6c17f9fdd744d12e122f30d59934c36469eedb0e8d66542a6ea073
PDF
Publication pagec0a2785f8bb22a04096a5efa35f670ab989c13fc265aca99d3def57712f16808
Manifest56ca66efa7ea071c0883b1e2af9638f24c07b8b4ee15c8465ccee56a76504eef

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
SignatureiSHyKdBDLMRqNgvgG1buPxZCrAicEKTUPK97ouwrJUgCEVifTqkoOpqL7kBVnU/wN3lrX6KcpIB5HW2C1IC5DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:14.050905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060957
observed c0a2785f8bb22a04096a5efa35f670ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:14.031507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060957/manifest.json
observed 56ca66efa7ea071c0883b1e2af9638f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:14.013018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060957/publication.md
observed 5bc65593ca6c17f9fdd744d12e122f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:13.996273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060957/publication.txt
observed b10a65f915a3485da70028e45d9b59ca...
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.