Pith Number

pith:SIA6IAT3

pith:2021:SIA6IAT3TG77FGDUL3YZ4HLKNP

not attested not anchored not stored refs pending

The origin of metal-poor stars on prograde disk orbits in FIRE simulations of Milky Way-mass galaxies

Andrew Wetzel, Claude-Andr\'e Faucher-Gigu\`ere, Isaiah B. Santistevan, Jenna Samuel, Kareem El-Badry, Robyn E. Sanderson

arxiv:2102.03369 v2 · 2021-02-05 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIA6IAT3TG77FGDUL3YZ4HLKNP}

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	2026-07-05T02:43:17.025335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9201e4027b99bff298745ef19e1d6a6bd7c90f0105673added8e01b0d94b601e

Aliases

arxiv: 2102.03369 · arxiv_version: 2102.03369v2 · doi: 10.48550/arxiv.2102.03369 · pith_short_12: SIA6IAT3TG77 · pith_short_16: SIA6IAT3TG77FGDU · pith_short_8: SIA6IAT3

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/SIA6IAT3TG77FGDUL3YZ4HLKNP \
  | 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: 9201e4027b99bff298745ef19e1d6a6bd7c90f0105673added8e01b0d94b601e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "555c6fad961a7c934a8d06995542a7aa45da2cc499635a4087a2a72ccfaac81e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-02-05T19:00:05Z",
    "title_canon_sha256": "dd99001f305d0cbf7bf9885288f35fdaf9650d4d2b01906799891942b983f82e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.03369",
    "kind": "arxiv",
    "version": 2
  }
}