Pith Number

pith:VY2RM4EB

pith:2014:VY2RM4EB2RFR3AVFSNMDH2XRVD

not attested not anchored not stored refs pending

Neutron-Capture Nucleosynthesis in the First Stars

Chris Sneden (University of Texas), George W. Preston, Ian B. Thompson, Ian U. Roederer (University of Michigan), Stephen A. Shectman (Carnegie Observatories)

arxiv:1402.4144 v1 · 2014-02-17 · astro-ph.SR · 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{VY2RM4EB2RFR3AVFSNMDH2XRVD}

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	2026-05-18T01:44:37.083274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae35167081d44b1d82a5935833eaf1a8f54c9d2760ce22ef19e3b8fd1b9794d8

Aliases

arxiv: 1402.4144 · arxiv_version: 1402.4144v1 · doi: 10.48550/arxiv.1402.4144 · pith_short_12: VY2RM4EB2RFR · pith_short_16: VY2RM4EB2RFR3AVF · pith_short_8: VY2RM4EB

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/VY2RM4EB2RFR3AVFSNMDH2XRVD \
  | 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: ae35167081d44b1d82a5935833eaf1a8f54c9d2760ce22ef19e3b8fd1b9794d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58ed8792b01b926ea50e27513f3ca4a4aa1dd35fd1f8231059f982abf2034fb3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-02-17T21:07:49Z",
    "title_canon_sha256": "a3fa80dca465ea2f6825c1345c0e674a3efd762433a4da5118498e463284f393"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4144",
    "kind": "arxiv",
    "version": 1
  }
}