Pith Number

pith:U3IFZE4F

pith:2011:U3IFZE4F6IXRI5SIB65WFNSUFQ

not attested not anchored not stored refs pending

The WIRED Survey II: Infrared Excesses in the SDSS DR7 White Dwarf Catalog

D. T. Leisawitz, D. W. Hoard, J. H. Debes, M. Cohen, S. Wachter

arxiv:1110.6162 v1 · 2011-10-27 · 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{U3IFZE4F6IXRI5SIB65WFNSUFQ}

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	2026-05-18T02:00:03.032815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6d05c9385f22f1476480fbb62b6542c3f1f29e14bf8b7d6246c3f898dd3e37a

Aliases

arxiv: 1110.6162 · arxiv_version: 1110.6162v1 · doi: 10.48550/arxiv.1110.6162 · pith_short_12: U3IFZE4F6IXR · pith_short_16: U3IFZE4F6IXRI5SI · pith_short_8: U3IFZE4F

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/U3IFZE4F6IXRI5SIB65WFNSUFQ \
  | 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: a6d05c9385f22f1476480fbb62b6542c3f1f29e14bf8b7d6246c3f898dd3e37a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "386490abb90f4b2452012b0900f975779e70f2917982fabf2efa6202ab8eab52",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-27T19:33:47Z",
    "title_canon_sha256": "2066e6f8c1d58c9c7f4af01919143b26aa6d29a27a109e1f2f0b6865a2d4fa42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6162",
    "kind": "arxiv",
    "version": 1
  }
}