Pith Number

pith:3W77CK3C

pith:2016:3W77CK3CCNM6PPMQW2KVRNW35G

not attested not anchored not stored refs pending

G64-12 and G64-37 are Carbon-Enhanced Metal-Poor Stars

Henrique Reggiani, Jorge Melendez, Timothy C. Beers, Vinicius M. Placco

arxiv:1609.00679 v2 · 2016-09-02 · 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{3W77CK3CCNM6PPMQW2KVRNW35G}

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	2026-05-18T01:03:17.313678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddbff12b621359e7bd90b69558b6dbe9bce0f70bb95d3efadd4c0779cde89409

Aliases

arxiv: 1609.00679 · arxiv_version: 1609.00679v2 · doi: 10.48550/arxiv.1609.00679 · pith_short_12: 3W77CK3CCNM6 · pith_short_16: 3W77CK3CCNM6PPMQ · pith_short_8: 3W77CK3C

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/3W77CK3CCNM6PPMQW2KVRNW35G \
  | 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: ddbff12b621359e7bd90b69558b6dbe9bce0f70bb95d3efadd4c0779cde89409

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e69c836d1e0bcb1aecd170b8c9d651732ae921f8ff91dc5206cea5507853a3e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-02T17:41:48Z",
    "title_canon_sha256": "b2bec34c75bbf8b4447265fd7dada1741953888eca972b37bfd74d59c6d88a8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00679",
    "kind": "arxiv",
    "version": 2
  }
}