Pith Number

pith:YR3UA2K4

pith:2019:YR3UA2K4DTEWNH2OYI4JQ3S2B5

not attested not anchored not stored refs pending

Astro2020 APC White Paper: Theoretical Astrophysics 2020-2030

Andrew Benson, Andrew N. Youdin, Andrew Wetzel, Anthony L. Piro, Astrid Lamberts, Brant Robertson, Coral Wheeler, E. Sterl Phinney, Federico Fraschetti, Hans-Walter Rix, James E. Owen, James S. Bullock, Jim Fuller, Juna A. Kollmeier, Kaitlin Kratter, Lauren Anderson, Manoj Kaplinghat, Matias Zaldarriaga, M. Coleman Miller, Michael Boylan-Kolchin, Philip F. Hopkins, Romeel Dave, Tamara Bogdanovic

arxiv:1912.09992 v1 · 2019-12-18 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YR3UA2K4DTEWNH2OYI4JQ3S2B5}

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	2026-07-05T00:27:40.014809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c47740695c1cc9669f4ec238986e5a0f77774f66f4026ee4735a628ba1a6c3ba

Aliases

arxiv: 1912.09992 · arxiv_version: 1912.09992v1 · doi: 10.48550/arxiv.1912.09992 · pith_short_12: YR3UA2K4DTEW · pith_short_16: YR3UA2K4DTEWNH2O · pith_short_8: YR3UA2K4

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/YR3UA2K4DTEWNH2OYI4JQ3S2B5 \
  | 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: c47740695c1cc9669f4ec238986e5a0f77774f66f4026ee4735a628ba1a6c3ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa2542b6fba1caf3cc71c7f8912f9022523f3a22df41545fa3ad29ac15d06ef6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-12-18T23:06:16Z",
    "title_canon_sha256": "c4f98320fe164e556329fea3411b288dcc992ba39aa55156e90b0a933476213e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.09992",
    "kind": "arxiv",
    "version": 1
  }
}