Pith Number

pith:Q5O6O2LF

pith:2004:Q5O6O2LFBQ2FBRTC4WMXC3UWNO

not attested not anchored not stored refs pending

Radial Distribution of Dust Grains Around HR 4796A

D. C. Lis, D. E. Backman, D. W. Koerner, E. Serabyn, M. E. Ressler, M. W. Werner, Z. Wahhaj

arxiv:astro-ph/0409283 v1 · 2004-09-13 · 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{Q5O6O2LFBQ2FBRTC4WMXC3UWNO}

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	2026-05-18T02:40:26.177574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

875de769650c3450c662e599716e966bad249ca82b4175aa5a8af6e04858e7d7

Aliases

arxiv: astro-ph/0409283 · arxiv_version: astro-ph/0409283v1 · doi: 10.48550/arxiv.astro-ph/0409283 · pith_short_12: Q5O6O2LFBQ2F · pith_short_16: Q5O6O2LFBQ2FBRTC · pith_short_8: Q5O6O2LF

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/Q5O6O2LFBQ2FBRTC4WMXC3UWNO \
  | 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: 875de769650c3450c662e599716e966bad249ca82b4175aa5a8af6e04858e7d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "078343561452e84b31e66959391ad0601775e4b236e4df773e9d1d19f9a6c4bd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-13T13:24:15Z",
    "title_canon_sha256": "856361dd4066f3a54c093d291fe85c72009ca7e5726ed466fe9657e21f6b81b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409283",
    "kind": "arxiv",
    "version": 1
  }
}