Pith Number

pith:GL4ZY2ZF

pith:2004:GL4ZY2ZFOSJTOWDV6A73XSRPJU

not attested not anchored not stored refs pending

A tensor formalism for transfer and Compton scattering of polarized light

Edmund Bertschinger (MIT), Jamie Portsmouth (Oxford)

arxiv:astro-ph/0412094 v1 · 2004-12-03 · 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{GL4ZY2ZFOSJTOWDV6A73XSRPJU}

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	2026-05-18T01:07:31.824035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32f99c6b257493375875f03fbbca2f4d1b21b026d54e3e4be71ac35c47bd1f00

Aliases

arxiv: astro-ph/0412094 · arxiv_version: astro-ph/0412094v1 · doi: 10.48550/arxiv.astro-ph/0412094 · pith_short_12: GL4ZY2ZFOSJT · pith_short_16: GL4ZY2ZFOSJTOWDV · pith_short_8: GL4ZY2ZF

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/GL4ZY2ZFOSJTOWDV6A73XSRPJU \
  | 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: 32f99c6b257493375875f03fbbca2f4d1b21b026d54e3e4be71ac35c47bd1f00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eff65890f6eeb3a25a69d4831b602e15c7d654805088636de3f8989f0b3c8bfc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-03T21:18:15Z",
    "title_canon_sha256": "fb124942bd2351fddd1a78b164528bdd41a33014be0c34bdfce4add73bbc9036"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412094",
    "kind": "arxiv",
    "version": 1
  }
}