Pith Number

pith:QHUJL2RT

pith:2023:QHUJL2RTGJ6ZSYL2FDMV2WCSY3

not attested not anchored not stored refs pending

Origin of isotopic diversity among carbonaceous chondrites

Christian A. Jansen, Christoph Burkhardt, Elias W\"olfer, Jan L. Hellmann, Joanna Dr\k{a}\.zkowska, Jonas M. Schneider, Thorsten Kleine, Timo Hopp

arxiv:2303.04173 v1 · 2023-03-07 · astro-ph.EP · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHUJL2RTGJ6ZSYL2FDMV2WCSY3}

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	2026-07-05T05:59:46.997626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81e895ea33327d99617a28d95d5852c6dc9bc4ba1e5ce01cf8c74dbebd413fd1

Aliases

arxiv: 2303.04173 · arxiv_version: 2303.04173v1 · doi: 10.48550/arxiv.2303.04173 · pith_short_12: QHUJL2RTGJ6Z · pith_short_16: QHUJL2RTGJ6ZSYL2 · pith_short_8: QHUJL2RT

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/QHUJL2RTGJ6ZSYL2FDMV2WCSY3 \
  | 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: 81e895ea33327d99617a28d95d5852c6dc9bc4ba1e5ce01cf8c74dbebd413fd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4499ec11f21608562488cf61cadf1977e846413e4e95df10af28b21a60ba6e0",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-03-07T19:00:09Z",
    "title_canon_sha256": "e4fa247a39a95829b89830b2e2b2357c3203662899ab5b0350afad4d32a9a763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.04173",
    "kind": "arxiv",
    "version": 1
  }
}