Pith Number

pith:B54WFHTB

pith:2010:B54WFHTBA455Z3R6G7EWXFRK5A

not attested not anchored not stored refs pending

Echoes of a decaying planetary system: the gaseous and dusty disks surrounding three white dwarfs

2), (2) UCSD, (3) CFHT), B. Klein (1), B. Zuckerman (1) ((1) UCLA, C. Melis (1, L. Albert (3), M. Jura (1)

arxiv:1007.2023 v1 · 2010-07-13 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B54WFHTBA455Z3R6G7EWXFRK5A}

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	2026-05-18T02:06:22.715874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f79629e61073bdcee3e37c96b962ae822ea7e01135465fc4cea82793ef09d0b

Aliases

arxiv: 1007.2023 · arxiv_version: 1007.2023v1 · doi: 10.48550/arxiv.1007.2023 · pith_short_12: B54WFHTBA455 · pith_short_16: B54WFHTBA455Z3R6 · pith_short_8: B54WFHTB

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/B54WFHTBA455Z3R6G7EWXFRK5A \
  | 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: 0f79629e61073bdcee3e37c96b962ae822ea7e01135465fc4cea82793ef09d0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "873a0dbc093752059a68ff20370bd11a5b420c3fe49d3ad9a55961d43677da0d",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-07-13T02:22:42Z",
    "title_canon_sha256": "72d828a94de716bafc4d113b862a12529bb6570ec036305b5076b2114bf3abe2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.2023",
    "kind": "arxiv",
    "version": 1
  }
}