Pith Number

pith:ESIFUPL7

pith:2013:ESIFUPL72L34DIUQRO43AUH7TD

not attested not anchored not stored refs pending

The WIRED Survey. IV. New Dust Disks from the McCook & Sion White Dwarf Catalog

2, (2) Visiting Scientist, 3), (3) Eureka Scientific, (4) Space Telescope Science Institute, (5) Goddard Space Flight Center, (6) Monterey Institute for Research in Astronomy), David T. Leisawitz (5), D. W. Hoard (1, Germany, Heidelberg, Inc., John H. Debes (4), Martin Cohen (6) ((1) Max Planck Institut f\"ur Astronomie, MPIA, Stefanie Wachter (1)

arxiv:1304.7801 v2 · 2013-04-29 · astro-ph.GA · 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{ESIFUPL72L34DIUQRO43AUH7TD}

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	2026-05-18T01:50:14.383548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24905a3d7fd2f7c1a2908bb9b050ff98eb995d7a7e7683bd700dd08515b27220

Aliases

arxiv: 1304.7801 · arxiv_version: 1304.7801v2 · doi: 10.48550/arxiv.1304.7801 · pith_short_12: ESIFUPL72L34 · pith_short_16: ESIFUPL72L34DIUQ · pith_short_8: ESIFUPL7

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/ESIFUPL72L34DIUQRO43AUH7TD \
  | 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: 24905a3d7fd2f7c1a2908bb9b050ff98eb995d7a7e7683bd700dd08515b27220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac3743e4b4c5ef98c68b1136620332852617320b2654c61e975a5e32e210d34a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-29T20:52:03Z",
    "title_canon_sha256": "4d8f10a627c3a604983bbb91eb4e33c8fa74dd0489a89de6584e9c939ab16c03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7801",
    "kind": "arxiv",
    "version": 2
  }
}