Pith Number

pith:7J7RKRBJ

pith:2014:7J7RKRBJ3AX4V7IVNXEIESI7KF

not attested not anchored not stored refs pending

Effects of primordial magnetic fields on CMB

Hector J. Hortua, Leonardo Casta\~neda

arxiv:1408.5623 v2 · 2014-08-24 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7J7RKRBJ3AX4V7IVNXEIESI7KF}

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	2026-05-18T01:33:16.558330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa7f154429d82fcafd156dc882491f514b49812a42e7e69b9e6dcaeb7cd970cd

Aliases

arxiv: 1408.5623 · arxiv_version: 1408.5623v2 · doi: 10.48550/arxiv.1408.5623 · pith_short_12: 7J7RKRBJ3AX4 · pith_short_16: 7J7RKRBJ3AX4V7IV · pith_short_8: 7J7RKRBJ

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/7J7RKRBJ3AX4V7IVNXEIESI7KF \
  | 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: fa7f154429d82fcafd156dc882491f514b49812a42e7e69b9e6dcaeb7cd970cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62b84b10019663965853313c43c4b75c080a572a63cfcd96ab7bfdbb71999964",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-08-24T18:08:43Z",
    "title_canon_sha256": "4a519b84d0bd77e976c8c4c112afe4c98d05f81517f142f77c985f067e48e470"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5623",
    "kind": "arxiv",
    "version": 2
  }
}