Pith Number

pith:ZMPAA4WI

pith:2015:ZMPAA4WIIPVYR42ZQKR44W7CZF

not attested not anchored not stored refs pending

Reduced bispectrum seeded by helical primordial magnetic fields

Hector J. Hortua, Leonardo Casta\~neda

arxiv:1511.02991 v3 · 2015-11-10 · 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{ZMPAA4WIIPVYR42ZQKR44W7CZF}

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	2026-05-18T00:42:35.363113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb1e0072c843eb88f35982a3ce5be2c951e700801b95b324ac1497ae8f19c9f7

Aliases

arxiv: 1511.02991 · arxiv_version: 1511.02991v3 · doi: 10.48550/arxiv.1511.02991 · pith_short_12: ZMPAA4WIIPVY · pith_short_16: ZMPAA4WIIPVYR42Z · pith_short_8: ZMPAA4WI

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/ZMPAA4WIIPVYR42ZQKR44W7CZF \
  | 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: cb1e0072c843eb88f35982a3ce5be2c951e700801b95b324ac1497ae8f19c9f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df9354f2d691b48169e81131f75fcc5ff39a51aac210cd5502088e55656605f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-11-10T04:34:09Z",
    "title_canon_sha256": "ff1e5cb097b56bb37b35f11bbfa7932e3731459a35ffad9314533534d8f25198"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02991",
    "kind": "arxiv",
    "version": 3
  }
}