Pith Number

pith:VVGF7MXT

pith:2009:VVGF7MXT7V5FVYKESW3HEDY5LE

not attested not anchored not stored refs pending

Chandra View of Pulsar Wind Nebula Tori

2), (2) ISAS/JAXA, (3) Miyazaki U., (4) Yamagata U.), Aya Bamba (1, Koji Mori (3), Shinpei Shibata (4) ((1) DIAS

arxiv:0912.1103 v1 · 2009-12-06 · 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{VVGF7MXT7V5FVYKESW3HEDY5LE}

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	2026-05-18T02:33:57.418460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad4c5fb2f3fd7a5ae14495b6720f1d592201a1cc34ef3748d515ba5358ca8e3b

Aliases

arxiv: 0912.1103 · arxiv_version: 0912.1103v1 · doi: 10.48550/arxiv.0912.1103 · pith_short_12: VVGF7MXT7V5F · pith_short_16: VVGF7MXT7V5FVYKE · pith_short_8: VVGF7MXT

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/VVGF7MXT7V5FVYKESW3HEDY5LE \
  | 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: ad4c5fb2f3fd7a5ae14495b6720f1d592201a1cc34ef3748d515ba5358ca8e3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1afffb9b356f64c48759b16aa0e56c13e0c65e8e459cb3d9a9ae24ad1610c9af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-12-06T13:35:06Z",
    "title_canon_sha256": "2108ffa1a70f89dce02d602fb7908986b6b6c2c8a7de2e970479af6889906d0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1103",
    "kind": "arxiv",
    "version": 1
  }
}