Pith Number

pith:43344QHI

pith:2011:43344QHIFZ732DKOAYYXGKH5WW

not attested not anchored not stored refs pending

IRDC G030.88+00.13: A Tale of Two Massive Clumps

CfA), Ke Wang (PKU, Qizhou Zhang (CfA)

arxiv:1103.5092 v1 · 2011-03-25 · 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{43344QHIFZ732DKOAYYXGKH5WW}

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	2026-05-18T02:02:44.804012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6f7ce40e82e7fbd0d4e06317328fdb58dde76b5063b2cdd568ffaa91d511177

Aliases

arxiv: 1103.5092 · arxiv_version: 1103.5092v1 · doi: 10.48550/arxiv.1103.5092 · pith_short_12: 43344QHIFZ73 · pith_short_16: 43344QHIFZ732DKO · pith_short_8: 43344QHI

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/43344QHIFZ732DKOAYYXGKH5WW \
  | 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: e6f7ce40e82e7fbd0d4e06317328fdb58dde76b5063b2cdd568ffaa91d511177

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "609371cb7ebc27c4d4f73b844927d79a67a837f1fa24d09455b773bcaa42225e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-03-25T22:50:48Z",
    "title_canon_sha256": "1eb01c14c74704f1d7f31a2318177664267bb0fee9b1f0a98c526af62a61539a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5092",
    "kind": "arxiv",
    "version": 1
  }
}