Pith Number

pith:5BW3JIEV

pith:2012:5BW3JIEV47HQ6PHWSUDQNAU32U

not attested not anchored not stored refs pending

Detection of Interstellar C_2 and C_3 in the Small Magellanic Cloud

(2) Univ. of Notre Dame, (3) Chalmers Inst.), Daniel E. Welty (1), J. Christopher Howk (2), John H. Black (3) ((1) Univ. of Chicago, Nicolas Lehner (2)

arxiv:1209.6420 v1 · 2012-09-28 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5BW3JIEV47HQ6PHWSUDQNAU32U}

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	2026-05-18T01:54:13.018366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e86db4a095e7cf0f3cf6950706829bd52db46fa17e50d1e75cb2a62eb5d3ce15

Aliases

arxiv: 1209.6420 · arxiv_version: 1209.6420v1 · doi: 10.48550/arxiv.1209.6420 · pith_short_12: 5BW3JIEV47HQ · pith_short_16: 5BW3JIEV47HQ6PHW · pith_short_8: 5BW3JIEV

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/5BW3JIEV47HQ6PHWSUDQNAU32U \
  | 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: e86db4a095e7cf0f3cf6950706829bd52db46fa17e50d1e75cb2a62eb5d3ce15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdb112d3936862d76ae851a90bb79eaf6c8acd8eb50c867c836bb2527433840e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-09-28T04:14:20Z",
    "title_canon_sha256": "da5f746e1f56d6231225e8175c9430c6eb351a3df76f6867740ac178e589b20b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6420",
    "kind": "arxiv",
    "version": 1
  }
}