Pith Number

pith:NVN4G2RO

pith:2018:NVN4G2RONECOXNQUTJ2ZWDMNUL

not attested not anchored not stored refs pending

The chemical composition of $\alpha$ Cen AB revisited

Thierry Morel

arxiv:1805.00929 v1 · 2018-05-02 · 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{NVN4G2RONECOXNQUTJ2ZWDMNUL}

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	2026-05-18T00:08:41.909936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d5bc36a2e6904ebb6149a759b0d8da2ca222c0c61138795ce863a703c6773cf

Aliases

arxiv: 1805.00929 · arxiv_version: 1805.00929v1 · doi: 10.48550/arxiv.1805.00929 · pith_short_12: NVN4G2RONECO · pith_short_16: NVN4G2RONECOXNQU · pith_short_8: NVN4G2RO

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/NVN4G2RONECOXNQUTJ2ZWDMNUL \
  | 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: 6d5bc36a2e6904ebb6149a759b0d8da2ca222c0c61138795ce863a703c6773cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "350bc9d8e0a9e669d791d68cb90e3b1bec0b51049f94f72c10ffbf41cc79ce97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-02T17:50:33Z",
    "title_canon_sha256": "e1dc96169aba9755088733ddc6b251760519840a155749a8b557a02fb69901c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00929",
    "kind": "arxiv",
    "version": 1
  }
}