Pith Number

pith:2UNV423F

pith:2020:2UNV423FGJO3O3AKYYQAEWG44E

not attested not anchored not stored refs pending

Variability, periodicity and contact binaries in WISE

Evan Petrosky, Hsiang-Chih Hwang, Matthew J. Hill, Nadia L. Zakamska, Vedant Chandra

arxiv:2012.04690 v2 · 2020-12-08 · 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{2UNV423FGJO3O3AKYYQAEWG44E}

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	2026-07-05T02:28:54.249736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d51b5e6b65325db76c0ac6200258dce1078401adf074f7b4b1ccc5de8d7d5001

Aliases

arxiv: 2012.04690 · arxiv_version: 2012.04690v2 · doi: 10.48550/arxiv.2012.04690 · pith_short_12: 2UNV423FGJO3 · pith_short_16: 2UNV423FGJO3O3AK · pith_short_8: 2UNV423F

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/2UNV423FGJO3O3AKYYQAEWG44E \
  | 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: d51b5e6b65325db76c0ac6200258dce1078401adf074f7b4b1ccc5de8d7d5001

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1ce24517543a3d84dfeeb1e6d7994cd039ebf96c0193e794b4ae2642b883a30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-12-08T19:25:51Z",
    "title_canon_sha256": "8ea710f5bfce35e5e4299af6bbd5310eca859c82c704ecf7135c7cf2ebcfeb35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04690",
    "kind": "arxiv",
    "version": 2
  }
}