Pith Number

pith:TVOMQR5R

pith:2013:TVOMQR5RSPAM5E4RCRHECBDVMB

not attested not anchored not stored refs pending

Constraining primordial magnetic fields with distortions of the black-body spectrum of the cosmic microwave background: pre- and post-decoupling contributions

Eiichiro Komatsu, Kerstin E. Kunze

arxiv:1309.7994 v1 · 2013-09-30 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TVOMQR5RSPAM5E4RCRHECBDVMB}

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	2026-05-18T03:00:49.175309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d5cc847b193c0ce9391144e410475606c1f3489391e2d424407f66f972a2597

Aliases

arxiv: 1309.7994 · arxiv_version: 1309.7994v1 · doi: 10.48550/arxiv.1309.7994 · pith_short_12: TVOMQR5RSPAM · pith_short_16: TVOMQR5RSPAM5E4R · pith_short_8: TVOMQR5R

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/TVOMQR5RSPAM5E4RCRHECBDVMB \
  | 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: 9d5cc847b193c0ce9391144e410475606c1f3489391e2d424407f66f972a2597

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fb03e96a60c0babf21ac1020539b85567004d861c2f10cf77a4d86ebf5d9eb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-30T19:56:46Z",
    "title_canon_sha256": "ffe53e7f3654eb01e2fb5ba32c8a0082882ad892f58ead0853060c1ee6b1c697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7994",
    "kind": "arxiv",
    "version": 1
  }
}