Pith Number

pith:OEKI5R6W

pith:2009:OEKI5R6WU7A33KVB67HB2JK4EF

not attested not anchored not stored refs pending

Primordial magnetic fields and the HI signal from the epoch of reionization

Kandaswamy Subramanian, Shiv K. Sethi

arxiv:0911.0244 v1 · 2009-11-02 · 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{OEKI5R6WU7A33KVB67HB2JK4EF}

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	2026-05-18T02:34:12.235006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71148ec7d6a7c1bdaaa1f7ce1d255c21720cf70dbdfb0c43f0fbdd51c351f721

Aliases

arxiv: 0911.0244 · arxiv_version: 0911.0244v1 · doi: 10.48550/arxiv.0911.0244 · pith_short_12: OEKI5R6WU7A3 · pith_short_16: OEKI5R6WU7A33KVB · pith_short_8: OEKI5R6W

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/OEKI5R6WU7A33KVB67HB2JK4EF \
  | 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: 71148ec7d6a7c1bdaaa1f7ce1d255c21720cf70dbdfb0c43f0fbdd51c351f721

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "343ed34033f10e69358cb133bd01021ee13b1904e5c1a6c899656b79552476d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-02T06:23:33Z",
    "title_canon_sha256": "cb4d63095d3f4a7c76c008246f70308f9c0dbadac72e1e9bab47728763e660bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0244",
    "kind": "arxiv",
    "version": 1
  }
}