Pith Number

pith:D2KENCZX

pith:2011:D2KENCZXLFHDXAY73QL44IRFGO

not attested not anchored not stored refs pending

Cool White Dwarfs Found in the UKIRT Infrared Deep Sky Survey

A. Nitta, N. Lodieu, P. Bergeron, P.-E. Tremblay, S. K. Leggett

arxiv:1104.3914 v1 · 2011-04-20 · 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{D2KENCZXLFHDXAY73QL44IRFGO}

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	2026-05-18T02:02:22.302878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e94468b37594e3b831fdc17ce22253394e39752c965e496bb69c78a5a9d8a8e

Aliases

arxiv: 1104.3914 · arxiv_version: 1104.3914v1 · doi: 10.48550/arxiv.1104.3914 · pith_short_12: D2KENCZXLFHD · pith_short_16: D2KENCZXLFHDXAY7 · pith_short_8: D2KENCZX

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/D2KENCZXLFHDXAY73QL44IRFGO \
  | 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: 1e94468b37594e3b831fdc17ce22253394e39752c965e496bb69c78a5a9d8a8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb94b23d4569614771185d95c6ab67901f1a0543f2f90bdc1d1d4b8e9d1d70ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-20T01:45:45Z",
    "title_canon_sha256": "25cd5973b2d6c6fdd96c4cd3f58c862cccb1fac470bc6f75f13fb87aa4ca6396"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3914",
    "kind": "arxiv",
    "version": 1
  }
}