Pith Number

pith:KPIYH5HV

pith:2003:KPIYH5HVHNZUX7QMOZ5ZRZBF2A

not attested not anchored not stored refs pending

Angular momentum distribution of hot gas and implications for disk galaxy formation

D.N.Chen, & Kohji Yoshikawa, Y.P.Jing

arxiv:astro-ph/0307270 v1 · 2003-07-14 · 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{KPIYH5HVHNZUX7QMOZ5ZRZBF2A}

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	2026-07-04T16:51:17.757989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53d183f4f53b734bfe0c767b98e425d002466e514eede39d5987b30320e8f71f

Aliases

arxiv: astro-ph/0307270 · arxiv_version: astro-ph/0307270v1 · doi: 10.48550/arxiv.astro-ph/0307270 · pith_short_12: KPIYH5HVHNZU · pith_short_16: KPIYH5HVHNZUX7QM · pith_short_8: KPIYH5HV

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/KPIYH5HVHNZUX7QMOZ5ZRZBF2A \
  | 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: 53d183f4f53b734bfe0c767b98e425d002466e514eede39d5987b30320e8f71f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6fc1a599c018b3f693887ebfb6a3f5c04007d154b818016157a935dec3bd41c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-14T02:37:59Z",
    "title_canon_sha256": "0d9ee9eceb80ae4e9d0abe4c233f3a0f1f56cb001e34a0858045b12733853cfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307270",
    "kind": "arxiv",
    "version": 1
  }
}