Pith Number

pith:QLR4DB7P

pith:2010:QLR4DB7PEGZ6K3Q6RXTNHCMJKD

not attested not anchored not stored refs pending

New Constraints on the Primordial Magnetic Field

Dai G. Yamazaki, Grant. J. Mathews, Kiyotomo Ichiki, Toshitaka Kajino

arxiv:1001.2012 v1 · 2010-01-12 · astro-ph.CO · gr-qc · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QLR4DB7PEGZ6K3Q6RXTNHCMJKD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Primordial Magnetic Fields at Cosmic Dawn: 21-cm Forecasts with HERA and SKA

Receipt and verification

First computed	2026-07-04T17:25:08.543755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82e3c187ef21b3e56e1e8de6d3898950e342cb06d938513901318afbda471fde

Aliases

arxiv: 1001.2012 · arxiv_version: 1001.2012v1 · doi: 10.48550/arxiv.1001.2012 · pith_short_12: QLR4DB7PEGZ6 · pith_short_16: QLR4DB7PEGZ6K3Q6 · pith_short_8: QLR4DB7P

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QLR4DB7PEGZ6K3Q6RXTNHCMJKD \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 82e3c187ef21b3e56e1e8de6d3898950e342cb06d938513901318afbda471fde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4e9a9edee7a5bcdaef417b344b1e2cf650fb454b60a8bf1230791ddd411d32b",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-12T21:07:49Z",
    "title_canon_sha256": "9673eea817688d6340295f48db2ac91314326ec6ca178e6ed32b0308b657581d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.2012",
    "kind": "arxiv",
    "version": 1
  }
}