Pith Number

pith:IOIX5PDE

pith:2013:IOIX5PDEAE3TTB34N7EJ3LW6YM

not attested not anchored not stored refs pending

Nitrogen isotopes in AGB carbon stars and presolar SiC grains: a challenge for stellar nucleosynthesis

B. Plez, C. Abia, I. Dom\'inguez, M. Busso, O. Straniero, R. Hedrosa, S. Cristallo, S. Palmerini

arxiv:1303.6418 v1 · 2013-03-26 · astro-ph.SR

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

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	2026-05-18T01:50:52.735195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43917ebc64013739877c6fc89daedec32452e16ee4c2037666f7fd0bdc2d1b4c

Aliases

arxiv: 1303.6418 · arxiv_version: 1303.6418v1 · doi: 10.48550/arxiv.1303.6418 · pith_short_12: IOIX5PDEAE3T · pith_short_16: IOIX5PDEAE3TTB34 · pith_short_8: IOIX5PDE

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/IOIX5PDEAE3TTB34N7EJ3LW6YM \
  | 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: 43917ebc64013739877c6fc89daedec32452e16ee4c2037666f7fd0bdc2d1b4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7756f205e40ae8838f49860f7556f079764fe2c51a71b3784b05fbd641d0e4b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-26T09:48:51Z",
    "title_canon_sha256": "e13125faa0e5f937c101e890513154ba04a0e180f37aee9938d9795bf52651cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6418",
    "kind": "arxiv",
    "version": 1
  }
}