Pith Number

pith:Y3O5D2XJ

pith:2011:Y3O5D2XJSGT4AJR7JKNLEHS6UZ

not attested not anchored not stored refs pending

Chemical Homogeneity in the Orion Association: Oxygen Abundances of B Stars

I. Hubeny, K. Cunha, T. Lanz

arxiv:1110.5879 v1 · 2011-10-26 · 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	2026-05-18T02:00:03.480396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6ddd1eae991a7c0263f4a9ab21e5ea64928c60b3ed7d500cace34e92388526e

Aliases

arxiv: 1110.5879 · arxiv_version: 1110.5879v1 · doi: 10.48550/arxiv.1110.5879 · pith_short_12: Y3O5D2XJSGT4 · pith_short_16: Y3O5D2XJSGT4AJR7 · pith_short_8: Y3O5D2XJ

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/Y3O5D2XJSGT4AJR7JKNLEHS6UZ \
  | 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: c6ddd1eae991a7c0263f4a9ab21e5ea64928c60b3ed7d500cace34e92388526e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b648c2c9c058dcd0c20fcc201a6f3c627795b399a31d7ac1fe1ca3f0b122cf3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-26T19:06:35Z",
    "title_canon_sha256": "a6cc159ea477dd0a145d7f2f942aed845f774f932cc2f4e373a510e1e4114719"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5879",
    "kind": "arxiv",
    "version": 1
  }
}