Pith Number

pith:MRZJWYDH

pith:2006:MRZJWYDHXJ7KAQFGTSYVSHLNGL

not attested not anchored not stored refs pending

Probing Primordial Magnetic Fields with the 21cm Fluctuations

Hiroyuki Tashiro, Naoshi Sugiyama

arxiv:astro-ph/0607169 v1 · 2006-07-10 · astro-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{MRZJWYDHXJ7KAQFGTSYVSHLNGL}

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.

Receipt and verification

First computed	2026-07-04T16:59:05.504793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64729b6067ba7ea040a69cb1591d6d32f60d287949bb62f0211f7022552bc366

Aliases

arxiv: astro-ph/0607169 · arxiv_version: astro-ph/0607169v1 · doi: 10.48550/arxiv.astro-ph/0607169 · pith_short_12: MRZJWYDHXJ7K · pith_short_16: MRZJWYDHXJ7KAQFG · pith_short_8: MRZJWYDH

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/MRZJWYDHXJ7KAQFGTSYVSHLNGL \
  | 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: 64729b6067ba7ea040a69cb1591d6d32f60d287949bb62f0211f7022552bc366

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc30ac661553be4f25552d5caf2672d9e61a9acac04cba1419724727fcaa4f4d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-10T08:08:25Z",
    "title_canon_sha256": "53821ec53285d1a4441073f2139efe7e9bea877e18278a18cd75858b1e8bdc12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607169",
    "kind": "arxiv",
    "version": 1
  }
}