Pith Number

pith:X7KMR27J

pith:2012:X7KMR27JNM2AB3U3SZLLUCEA5J

not attested not anchored not stored refs pending

Gas Metallicities in the Extended Disks of NGC 1512 and NGC 3621. Chemical Signatures of Metal Mixing or Enriched Gas Accretion?

Emma Ryan-Weber (Swinburne University), Fabio Bresolin (IfA, Robert C. Kennicutt (IoA, University of Cambridge), University of Hawaii)

arxiv:1203.0956 v1 · 2012-03-05 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X7KMR27JNM2AB3U3SZLLUCEA5J}

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	2026-05-18T01:58:14.912348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfd4c8ebe96b3400ee9b9656ba0880ea4be479c27278d54dfb86bddab3e5dd06

Aliases

arxiv: 1203.0956 · arxiv_version: 1203.0956v1 · doi: 10.48550/arxiv.1203.0956 · pith_short_12: X7KMR27JNM2A · pith_short_16: X7KMR27JNM2AB3U3 · pith_short_8: X7KMR27J

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/X7KMR27JNM2AB3U3SZLLUCEA5J \
  | 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: bfd4c8ebe96b3400ee9b9656ba0880ea4be479c27278d54dfb86bddab3e5dd06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07df45d8a891f8389907260569ee3c9a8b05fb5e237cc1a9487ff28b07654ddb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-05T16:05:22Z",
    "title_canon_sha256": "b1b48c0078d6fbb4826b789d60a56c4a2dfdf1f0674967bf46ba5008fcfe72f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0956",
    "kind": "arxiv",
    "version": 1
  }
}