Pith Number

pith:CL56DMMN

pith:2022:CL56DMMNGSRQZPSHEDBU7FOJNO

not attested not anchored not stored refs pending

W49N MCN-a: a disk accreting massive protostar embedded in an early-phase hot molecular core

Masahiko Hayashi, Ryosuke Miyawaki, Tetsuo Hasegawa

arxiv:2204.04617 v2 · 2022-04-10 · 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{CL56DMMNGSRQZPSHEDBU7FOJNO}

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.

Cited by

1 paper in Pith

The Zero-Age Massive Stellar Population of W49A from VLA Observations

Receipt and verification

First computed	2026-07-05T04:29:57.639092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12fbe1b18d34a30cbe4720c34f95c96ba895cd5f9b13104c9876dfa73a1f5f73

Aliases

arxiv: 2204.04617 · arxiv_version: 2204.04617v2 · doi: 10.48550/arxiv.2204.04617 · pith_short_12: CL56DMMNGSRQ · pith_short_16: CL56DMMNGSRQZPSH · pith_short_8: CL56DMMN

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/CL56DMMNGSRQZPSHEDBU7FOJNO \
  | 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: 12fbe1b18d34a30cbe4720c34f95c96ba895cd5f9b13104c9876dfa73a1f5f73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12cf43275915e2706f101ccb0a2c7215b53ff211cc12231dfd7c128fb26eec58",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-04-10T07:01:47Z",
    "title_canon_sha256": "71ff3d143eb84f35c559185b4862add38e9e8a93039d0a954f4dbf37289baf1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.04617",
    "kind": "arxiv",
    "version": 2
  }
}