Pith Number

pith:G67U2KXQ

pith:2014:G67U2KXQ3MQG6WBEE3PEQGGSL4

not attested not anchored not stored refs pending

21cm fluctuations from primordial magnetic fields

Hiroyuki Tashiro, Kiyotomo Ichiki, Maresuke Shiraishi

arxiv:1403.2608 v2 · 2014-03-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G67U2KXQ3MQG6WBEE3PEQGGSL4}

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

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	2026-05-18T02:51:08.012127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37bf4d2af0db206f582426de4818d25f3feebf7165232c7167f6b73a93901145

Aliases

arxiv: 1403.2608 · arxiv_version: 1403.2608v2 · doi: 10.48550/arxiv.1403.2608 · pith_short_12: G67U2KXQ3MQG · pith_short_16: G67U2KXQ3MQG6WBE · pith_short_8: G67U2KXQ

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/G67U2KXQ3MQG6WBEE3PEQGGSL4 \
  | 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: 37bf4d2af0db206f582426de4818d25f3feebf7165232c7167f6b73a93901145

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf895b020db5bde769272356f3b0947e7d6ee6d38ddd97d2d8b9a49c752d64e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-03-11T15:15:06Z",
    "title_canon_sha256": "ea725cc650473d2e61c6f334c8a64f0a062d5f25856a797fe31d79bef5bb3a57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2608",
    "kind": "arxiv",
    "version": 2
  }
}