Pith Number

pith:NGAB4FHB

pith:2003:NGAB4FHB3UEP2N7QLPJI2AJ5WX

not attested not anchored not stored refs pending

Infrared emission towards 11 years after outburst: Properties of the circumstellar dust

H. J. Voelk, Jg. Fischera, R. J. Tuffs

arxiv:astro-ph/0309473 v1 · 2003-09-17 · 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{NGAB4FHB3UEP2N7QLPJI2AJ5WX}

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	2026-07-04T16:51:40.936636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69801e14e1dd08fd37f05bd28d013db5c7b1d3230492fc1ec52f098ddbdc5739

Aliases

arxiv: astro-ph/0309473 · arxiv_version: astro-ph/0309473v1 · doi: 10.48550/arxiv.astro-ph/0309473 · pith_short_12: NGAB4FHB3UEP · pith_short_16: NGAB4FHB3UEP2N7Q · pith_short_8: NGAB4FHB

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/NGAB4FHB3UEP2N7QLPJI2AJ5WX \
  | 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: 69801e14e1dd08fd37f05bd28d013db5c7b1d3230492fc1ec52f098ddbdc5739

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e756d4e33dd33ad3c867a10117c98a4d098eca8f328cc0a82a1b61efea81daf7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-17T05:34:17Z",
    "title_canon_sha256": "e3b51a9fd3ddcdf95d03e5cc6c43802faaed6cc82561bffd6ff3c3fc799483bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309473",
    "kind": "arxiv",
    "version": 1
  }
}