Pith Number

pith:QDZDMUJE

pith:2015:QDZDMUJE2JAFWVB355BRO27GDR

not attested not anchored not stored refs pending

Infall Motions in Massive Star-Forming Regions: Results from Years 1 & 2 of the MALT90 Survey

Da-Lei Li, Gang Wu, Jarken Esimbek, Jian-jun Zhou, W.A. Baan, Wei-Guang Ji, Xin-Di Tang, Ye Yuan, Yu-Xin He

arxiv:1504.00438 v2 · 2015-04-02 · 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{QDZDMUJE2JAFWVB355BRO27GDR}

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	2026-05-18T01:40:49.374613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f2365124d2405b543bef43176be61c5671efa4ad62079818875338218f0e79

Aliases

arxiv: 1504.00438 · arxiv_version: 1504.00438v2 · doi: 10.48550/arxiv.1504.00438 · pith_short_12: QDZDMUJE2JAF · pith_short_16: QDZDMUJE2JAFWVB3 · pith_short_8: QDZDMUJE

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/QDZDMUJE2JAFWVB355BRO27GDR \
  | 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: 80f2365124d2405b543bef43176be61c5671efa4ad62079818875338218f0e79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "769f3926fecc8d56bdbfabfa9e7429af1a8e72f73733a8df87370a8fd75462dc",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-02T03:26:08Z",
    "title_canon_sha256": "51e2f8b9d51841d39ca0e65bb731effcd01015b561fb3584cde68b02f7dc81df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00438",
    "kind": "arxiv",
    "version": 2
  }
}