Pith Number

pith:FKOQGUK7

pith:2011:FKOQGUK7Q4TKCH2AD3XWGPZCDU

not attested not anchored not stored refs pending

Protostellar Outflow Heating in a Growing Massive Protocluster

CfA), Hua-bai Li (MPIA), Huawei Zhang (PKU), Ke Wang (PKU, Qizhou Zhang (CfA), Yuefang Wu (PKU)

arxiv:1112.1885 v1 · 2011-12-08 · 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{FKOQGUK7Q4TKCH2AD3XWGPZCDU}

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	2026-05-18T01:59:14.958855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a9d03515f8726a11f401eef633f221d16422d9fc4cda505410850e83eed0a85

Aliases

arxiv: 1112.1885 · arxiv_version: 1112.1885v1 · doi: 10.48550/arxiv.1112.1885 · pith_short_12: FKOQGUK7Q4TK · pith_short_16: FKOQGUK7Q4TKCH2A · pith_short_8: FKOQGUK7

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/FKOQGUK7Q4TKCH2AD3XWGPZCDU \
  | 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: 2a9d03515f8726a11f401eef633f221d16422d9fc4cda505410850e83eed0a85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cc0b0ca896d4b906b2b48abd2d71e4c27fb1bd23f101126a9a731c5c7cca6fe",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-12-08T17:18:58Z",
    "title_canon_sha256": "a2f0e839526d7744a31357e2a2c311c8b292465bea17f6c9b6e8103478aadbe1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1885",
    "kind": "arxiv",
    "version": 1
  }
}