Pith Number

pith:MRCCYELY

pith:2019:MRCCYELYCCUSTOUBDI25REANGF

not attested not anchored not stored refs pending

The Origin of Elements Across Cosmic Time: Astro2020 Science White Paper

Borja Anguiano (UVa), Cristina Chiappini (AIP), David Nataf (JHU), David Weinberg (OSU), Gail Zasowski, Jennifer A. Johnson (OSU), Jennifer Sobeck (Washington), Joleen Carlberg (STScI), Jonathan Bird (Vanderbilt), Juna Kollmeier (OCIW), Katia Cunha (Arizona), Sara Lucatello (INAF/Padova), Sarbani Basu (Yale), Saskia Hekker (MPS), (Utah), Verne Smith (NOAO), Victor Silva Aguirre (Aarhus), Yuan-Sen Ting (IAS/Princeton/OCIW)

arxiv:1907.04388 v1 · 2019-07-09 · 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{MRCCYELYCCUSTOUBDI25REANGF}

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	2026-05-17T23:41:01.902649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64442c117810a929ba811a35d8900d314cc5d4ab34baedaffdeb2de457890bf4

Aliases

arxiv: 1907.04388 · arxiv_version: 1907.04388v1 · doi: 10.48550/arxiv.1907.04388 · pith_short_12: MRCCYELYCCUS · pith_short_16: MRCCYELYCCUSTOUB · pith_short_8: MRCCYELY

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/MRCCYELYCCUSTOUBDI25REANGF \
  | 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: 64442c117810a929ba811a35d8900d314cc5d4ab34baedaffdeb2de457890bf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aee6f8bc1928d0992c8f659c49e83536bb5011e905496105f65a729efc311c81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-07-09T20:03:02Z",
    "title_canon_sha256": "3029dff59af4e5a856cd56bd18ec52e1fbb290accb421980d072548f053ba99e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04388",
    "kind": "arxiv",
    "version": 1
  }
}