Pith Number

pith:6CGH7F7V

pith:2022:6CGH7F7VV7FQZZAIXCYH7ANIHE

not attested not anchored not stored refs pending

Where are the extremely metal-poor stars in the Milky Way and Andromeda? Expectations from TNG50

Annalisa Pillepich, Li-Hsin Chen, Ralf S. Klessen, Simon C. O. Glover

arxiv:2211.00087 v2 · 2022-10-31 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6CGH7F7VV7FQZZAIXCYH7ANIHE}

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	2026-07-05T05:24:44.593473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f08c7f97f5afcb0ce408b8b07f81a8393dfcb26f5771ffe71c6fadd55e50dd20

Aliases

arxiv: 2211.00087 · arxiv_version: 2211.00087v2 · doi: 10.48550/arxiv.2211.00087 · pith_short_12: 6CGH7F7VV7FQ · pith_short_16: 6CGH7F7VV7FQZZAI · pith_short_8: 6CGH7F7V

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/6CGH7F7VV7FQZZAIXCYH7ANIHE \
  | 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: f08c7f97f5afcb0ce408b8b07f81a8393dfcb26f5771ffe71c6fadd55e50dd20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe1068c38132c6a07abd7bc8ab066b5d4bde5ceec1a0afbf48ac21e56c26c2a5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-10-31T18:38:36Z",
    "title_canon_sha256": "a7ee3d3787ce70df351d9c749e03826bcd152430a8eed10688d603f862c9fa63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.00087",
    "kind": "arxiv",
    "version": 2
  }
}