Pith Number

pith:BOAU54AA

pith:2009:BOAU54AAUGNJKHR75XO7EU6ZSY

not attested not anchored not stored refs pending

Stationary models for the extra-planar gas in disc galaxies

C. Nipoti, F. Fraternali, F. Marinacci, L. Ciotti

arxiv:0910.0404 v1 · 2009-10-02 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BOAU54AAUGNJKHR75XO7EU6ZSY}

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	2026-05-18T02:11:34.927498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b814ef000a19a951e3fedddf253d996144aeb6897c404f101a13a5fde9494d3

Aliases

arxiv: 0910.0404 · arxiv_version: 0910.0404v1 · doi: 10.48550/arxiv.0910.0404 · pith_short_12: BOAU54AAUGNJ · pith_short_16: BOAU54AAUGNJKHR7 · pith_short_8: BOAU54AA

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/BOAU54AAUGNJKHR75XO7EU6ZSY \
  | 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: 0b814ef000a19a951e3fedddf253d996144aeb6897c404f101a13a5fde9494d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27f96433702323d255f2c6568e558f012d303aa76e522ee15b533edbff8c517c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-10-02T14:21:59Z",
    "title_canon_sha256": "885ae998dcabdb80947994f43cb9f952660bbab5ed6b3ca92eab678c119b6ee4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0404",
    "kind": "arxiv",
    "version": 1
  }
}