Pith Number

pith:SNHAK663

pith:2011:SNHAK663B4ISJON2XTA2LCPID2

not attested not anchored not stored refs pending

Elemental abundance differences in the 16 Cygni binary system: a signature of gas giant planet formation?

D. Cornejo, I. Ramirez, I. U. Roederer, J. Melendez, J. R. Fish

arxiv:1107.5814 v1 · 2011-07-28 · 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{SNHAK663B4ISJON2XTA2LCPID2}

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	2026-05-18T02:01:06.139210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

934e057bdb0f1124b9babcc1a589e81eab2b53f22d5edd23f15a65be928d8471

Aliases

arxiv: 1107.5814 · arxiv_version: 1107.5814v1 · doi: 10.48550/arxiv.1107.5814 · pith_short_12: SNHAK663B4IS · pith_short_16: SNHAK663B4ISJON2 · pith_short_8: SNHAK663

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/SNHAK663B4ISJON2XTA2LCPID2 \
  | 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: 934e057bdb0f1124b9babcc1a589e81eab2b53f22d5edd23f15a65be928d8471

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c401a40203dbc151711a7536e70899ab60c758e1438e90920eed0fdbdf29d26c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-28T20:01:46Z",
    "title_canon_sha256": "cb8d9e359ca3d425d9fbc814d690c3e86940f400b4a45b740102db93805b961a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5814",
    "kind": "arxiv",
    "version": 1
  }
}