Pith Number

pith:J2I4DERM

pith:2018:J2I4DERMNDYSPMAHCRF5RK34YB

not attested not anchored not stored refs pending

On the Origin of the Early Solar System Radioactivities. Problems with the AGB and Massive Star Scenarios

A. Chieffi, D. Vescovi, K.-L. Kratz, L. Piersanti, M. Busso, M. Limongi, O. Trippella, P. Hoppe, S. Cristallo, S. Palmerini

arxiv:1807.01058 v1 · 2018-07-03 · 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	2026-05-18T00:07:49.167025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e91c1922c68f127b007144bd8ab7cc06aa8714245a279a4d54942a1fecf3aae

Aliases

arxiv: 1807.01058 · arxiv_version: 1807.01058v1 · doi: 10.48550/arxiv.1807.01058 · pith_short_12: J2I4DERMNDYS · pith_short_16: J2I4DERMNDYSPMAH · pith_short_8: J2I4DERM

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/J2I4DERMNDYSPMAHCRF5RK34YB \
  | 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: 4e91c1922c68f127b007144bd8ab7cc06aa8714245a279a4d54942a1fecf3aae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47dd20aff7a8c7f55bdf497da2d4091ed801e712854090ed1940193d7a5969ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-03T09:55:35Z",
    "title_canon_sha256": "34c2b001fe60bbc02a6821be1da3d2df2330aead853b8abb54a83c591e2d733c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01058",
    "kind": "arxiv",
    "version": 1
  }
}