Pith Number

pith:NWM4YZFA

pith:2018:NWM4YZFAPEHQG7VF6KRTJKLYIV

not attested not anchored not stored refs pending

The Core Mass Function Across Galactic Environments. II. Infrared Dark Cloud Clumps

Jonathan C. Tan, Mengyao Liu, Shuo Kong, Yu Cheng

arxiv:1806.02213 v1 · 2018-06-06 · 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{NWM4YZFAPEHQG7VF6KRTJKLYIV}

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	2026-05-18T00:08:41.281486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d99cc64a0790f037ea5f2a334a9784553419c152f53e1c07bf862f5c374d7c9

Aliases

arxiv: 1806.02213 · arxiv_version: 1806.02213v1 · doi: 10.48550/arxiv.1806.02213 · pith_short_12: NWM4YZFAPEHQ · pith_short_16: NWM4YZFAPEHQG7VF · pith_short_8: NWM4YZFA

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/NWM4YZFAPEHQG7VF6KRTJKLYIV \
  | 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: 6d99cc64a0790f037ea5f2a334a9784553419c152f53e1c07bf862f5c374d7c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1ef3771c4cefd9606af7dc130c0ff6afd695ee026c67425ed8d99df59ce50ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-06-06T14:27:10Z",
    "title_canon_sha256": "d7792dd09f03c278d62ce5f2da2596bb0b1215f03646801b95cdbe6e1fd5eca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02213",
    "kind": "arxiv",
    "version": 1
  }
}