Pith Number

pith:PWPD6JUX

pith:2009:PWPD6JUXFSGQNV65DI5ZHS35JF

not attested not anchored not stored refs pending

On the surface extraction of electrons in a pulsar

A.A. da Costa, C.R. Stark, D. A. Diver, E.W. Laing, L.F.A. Teodoro

arxiv:0909.3581 v1 · 2009-09-19 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWPD6JUXFSGQNV65DI5ZHS35JF}

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	2026-05-18T02:11:46.145186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d9e3f26972c8d06d7dd1a3b93cb7d4950bc00d42a02d4e0d4cd28ea46f59219

Aliases

arxiv: 0909.3581 · arxiv_version: 0909.3581v1 · doi: 10.48550/arxiv.0909.3581 · pith_short_12: PWPD6JUXFSGQ · pith_short_16: PWPD6JUXFSGQNV65 · pith_short_8: PWPD6JUX

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/PWPD6JUXFSGQNV65DI5ZHS35JF \
  | 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: 7d9e3f26972c8d06d7dd1a3b93cb7d4950bc00d42a02d4e0d4cd28ea46f59219

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbe382300cf12d218e55fd754fc4f587d9b8951996f1d2ef5fa099a7e4445560",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-19T12:54:41Z",
    "title_canon_sha256": "037914e21916776bbc9c5bda732f24e1d968eb7e6e02e6174cc1f21679f0c7ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3581",
    "kind": "arxiv",
    "version": 1
  }
}