Pith Number

pith:4M4RVSY2

pith:2012:4M4RVSY2DUEBJQDCGTYZHM6BBC

not attested not anchored not stored refs pending

A Spitzer Space Telescope Study of the Debris Disks around four SDSS White Dwarfs

Boris Gaensicke, Carolyn Brinkworth, Detlev Koester, Don Hoard, Jon Girven, Stephen Parsons, Tom Marsh

arxiv:1202.6411 v1 · 2012-02-28 · 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{4M4RVSY2DUEBJQDCGTYZHM6BBC}

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	2026-05-18T01:58:18.453549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3391acb1a1d0814c06234f193b3c108a662e60fbdb72668be1a6e2b34c68b83

Aliases

arxiv: 1202.6411 · arxiv_version: 1202.6411v1 · doi: 10.48550/arxiv.1202.6411 · pith_short_12: 4M4RVSY2DUEB · pith_short_16: 4M4RVSY2DUEBJQDC · pith_short_8: 4M4RVSY2

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/4M4RVSY2DUEBJQDCGTYZHM6BBC \
  | 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: e3391acb1a1d0814c06234f193b3c108a662e60fbdb72668be1a6e2b34c68b83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9359ea8be21e7b37871ae7aaf564d7648c5dc741a383d7b23a630ad46691807c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-28T23:38:30Z",
    "title_canon_sha256": "ae6b273c32dd5cfa3158cd3f3b01b28831b29cacd7a73e9a8f813ef3f99cf24f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6411",
    "kind": "arxiv",
    "version": 1
  }
}