Pith Number

pith:5Y3DLUDL

pith:2019:5Y3DLUDLEYP36Y4OBVH72ODRQD

not attested not anchored not stored refs pending

Discovery of deep eclipses in the cataclysmic variable IPHAS J013031.89+622132.3

V. P. Kozhevnikov

arxiv:1912.07978 v1 · 2019-12-17 · 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{5Y3DLUDLEYP36Y4OBVH72ODRQD}

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	2026-07-05T00:26:48.449356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee3635d06b261fbf638e0d4ffd387180cbf383faa9d9ad7f18260cd89083cf2a

Aliases

arxiv: 1912.07978 · arxiv_version: 1912.07978v1 · doi: 10.48550/arxiv.1912.07978 · pith_short_12: 5Y3DLUDLEYP3 · pith_short_16: 5Y3DLUDLEYP36Y4O · pith_short_8: 5Y3DLUDL

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/5Y3DLUDLEYP36Y4OBVH72ODRQD \
  | 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: ee3635d06b261fbf638e0d4ffd387180cbf383faa9d9ad7f18260cd89083cf2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae310fe6f07c93efe69bced4ea9f0974a5158f5019ce1e496328f27ab64285ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-12-17T12:50:18Z",
    "title_canon_sha256": "54804e9d544d932dea6a29f61131c3dcc1df5b9683e3231da194cfc2550adec2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.07978",
    "kind": "arxiv",
    "version": 1
  }
}