Pith Number

pith:QN3WLFUN

pith:1999:QN3WLFUNUOJOGAKOK7KB22LX7C

not attested not anchored not stored refs pending

CO (J=1-0) Observation of the cD Galaxy of AWM7: Constraints on the Evaporation of Molecular Gas

Akika Nakamichi (Gunma Obs.), Nario Kuno (NRO), Tomoka Tosaki, Yutaka Fujita (Osaka U.)

arxiv:astro-ph/9911515 v2 · 1999-11-30 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QN3WLFUNUOJOGAKOK7KB22LX7C}

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	2026-05-18T01:40:12.372440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

837765968da392e3014e57d41d6977f8a142029f253780ee6c6f17f48f491dc7

Aliases

arxiv: astro-ph/9911515 · arxiv_version: astro-ph/9911515v2 · doi: 10.48550/arxiv.astro-ph/9911515 · pith_short_12: QN3WLFUNUOJO · pith_short_16: QN3WLFUNUOJOGAKO · pith_short_8: QN3WLFUN

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/QN3WLFUNUOJOGAKOK7KB22LX7C \
  | 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: 837765968da392e3014e57d41d6977f8a142029f253780ee6c6f17f48f491dc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebfdb7698482db97353bec864c319983f061e6644de15b7616c39459c84c2323",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-11-30T10:30:59Z",
    "title_canon_sha256": "67e7e7c03215b1c20637f5568957c694b301fe744988c52c7f06e1dac92a705a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9911515",
    "kind": "arxiv",
    "version": 2
  }
}