Pith Number

pith:OONPH3KB

pith:2019:OONPH3KBOXB4OZVK3WCZA2L3OJ

not attested not anchored not stored refs pending

Surveys of Clumps, Cores, and Condensations in Cygnus X: I. a New Catalog of ~0.1 pc Massive Dense Cores

Bo Hu, Junhao Liu, Keping Qiu, Qizhou Zhang, Yue Cao, Yuwei Wang

arxiv:1901.06475 v1 · 2019-01-19 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OONPH3KBOXB4OZVK3WCZA2L3OJ}

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	2026-05-17T23:52:38.361698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

739af3ed4175c3c766aadd8590697b7271d6873c195f338ecd2d5c704b2836a0

Aliases

arxiv: 1901.06475 · arxiv_version: 1901.06475v1 · doi: 10.48550/arxiv.1901.06475 · pith_short_12: OONPH3KBOXB4 · pith_short_16: OONPH3KBOXB4OZVK · pith_short_8: OONPH3KB

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/OONPH3KBOXB4OZVK3WCZA2L3OJ \
  | 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: 739af3ed4175c3c766aadd8590697b7271d6873c195f338ecd2d5c704b2836a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c2c2114f035cf24178f7014fb5e14397a0e5c83050b8a9b776bac7ef610ae1d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-19T07:06:16Z",
    "title_canon_sha256": "a91d769c817c580be73ef1102285e6f4986784fa7ea49a7d7acbc25238c81841"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06475",
    "kind": "arxiv",
    "version": 1
  }
}