Pith Number

pith:XVLP5BOQ

pith:2013:XVLP5BOQSWMMEXPLRJDDMZJR4D

not attested not anchored not stored refs pending

Herschel Observations of Gas and Dust in the Unusual 49 Ceti Debris Disk

A. Moor, A. Roberge, B. Montesinos, C. Eiroa, C. Howard, D. R. Ardila, G. Meeus, G. Sandell, I. Kamp, J.-C. Augereau, J. K. Donaldson, J. Olofsson, P. Woitke, W.-F. Thi, W. R. F. Dent

arxiv:1305.2894 v1 · 2013-05-13 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XVLP5BOQSWMMEXPLRJDDMZJR4D}

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	2026-05-18T03:20:34.902881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd56fe85d09598c25deb8a46366531e0f3cf2f8645b43f860250c4a00c5f772f

Aliases

arxiv: 1305.2894 · arxiv_version: 1305.2894v1 · doi: 10.48550/arxiv.1305.2894 · pith_short_12: XVLP5BOQSWMM · pith_short_16: XVLP5BOQSWMMEXPL · pith_short_8: XVLP5BOQ

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/XVLP5BOQSWMMEXPLRJDDMZJR4D \
  | 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: bd56fe85d09598c25deb8a46366531e0f3cf2f8645b43f860250c4a00c5f772f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8306884a7368b9fe0cddc18ba2ea5385e468da8a5275ed215ec556f61e89ae8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-05-13T19:05:22Z",
    "title_canon_sha256": "99ae29253b7968006850cd0041f776e36aed114849091216d9907f171ae41f85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2894",
    "kind": "arxiv",
    "version": 1
  }
}