Pith Number

pith:IVJPU4NZ

pith:2012:IVJPU4NZLLCCRPJHQGV7EOQPLZ

not attested not anchored not stored refs pending

Identification of Ambient Molecular Clouds Associated with Galactic Supernova Remnant IC443

Bon-Chul Koo, Jae-Joon Lee, Mark H. Heyer, Michael G. Burton, Min S. Yun, Ronald L. Snell

arxiv:1202.4789 v1 · 2012-02-21 · 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{IVJPU4NZLLCCRPJHQGV7EOQPLZ}

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	2026-05-18T01:58:22.634935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4552fa71b95ac428bd2781abf23a0f5e46621968989a7ab88dfe37ce991f4da3

Aliases

arxiv: 1202.4789 · arxiv_version: 1202.4789v1 · doi: 10.48550/arxiv.1202.4789 · pith_short_12: IVJPU4NZLLCC · pith_short_16: IVJPU4NZLLCCRPJH · pith_short_8: IVJPU4NZ

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/IVJPU4NZLLCCRPJHQGV7EOQPLZ \
  | 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: 4552fa71b95ac428bd2781abf23a0f5e46621968989a7ab88dfe37ce991f4da3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83118feae8172a498ae6b2be20a52be0699e996bdfe173e4f4ce26d8fc35e01a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-02-21T23:08:42Z",
    "title_canon_sha256": "f200fe665ce750e36f91dc5ef9d681c93d2852d93eb6bbdabcedc857bba10059"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4789",
    "kind": "arxiv",
    "version": 1
  }
}