Pith Number

pith:RAEN3MC5

pith:2004:RAEN3MC5CDDHCG7AJDQ3LCCQRB

not attested not anchored not stored refs pending

Interstellar Polarization in M31

Brian L. Babler, Geoffrey C. Clayton, Karl D. Gordon, Kenneth H. Nordsieck, Michael J. Wolff, Paul S. Smith

arxiv:astro-ph/0403246 v1 · 2004-03-10 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RAEN3MC5CDDHCG7AJDQ3LCCQRB}

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	2026-07-04T16:43:12.702238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8808ddb05d10c6711be048e1b58850884e96e5b4b2c078a606d3dbf864760430

Aliases

arxiv: astro-ph/0403246 · arxiv_version: astro-ph/0403246v1 · doi: 10.48550/arxiv.astro-ph/0403246 · pith_short_12: RAEN3MC5CDDH · pith_short_16: RAEN3MC5CDDHCG7A · pith_short_8: RAEN3MC5

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/RAEN3MC5CDDHCG7AJDQ3LCCQRB \
  | 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: 8808ddb05d10c6711be048e1b58850884e96e5b4b2c078a606d3dbf864760430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8e2dc7b47f8ee3a369381694c70c7db78c592b7c9cdee1407c3190651b6cfe6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-10T15:40:35Z",
    "title_canon_sha256": "686f90dba3f8a95ed06a521106106d6f442ab80e69a7b3420a937038608d98fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403246",
    "kind": "arxiv",
    "version": 1
  }
}