Pith Number

pith:5FH4DOAA

pith:2009:5FH4DOAAIYORUTPGOYWPXTTTEL

not attested not anchored not stored refs pending

Angular Momentum Transport in Extended Galactic Disks

C.P. McNally, H.M.P. Couchman, J. Wadsley

arxiv:0904.4251 v1 · 2009-04-27 · 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{5FH4DOAAIYORUTPGOYWPXTTTEL}

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	2026-05-18T02:13:56.893824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e94fc1b800461d1a4de6762cfbce7322f58c8a00bd173c5b3b892df12a7ccc65

Aliases

arxiv: 0904.4251 · arxiv_version: 0904.4251v1 · doi: 10.48550/arxiv.0904.4251 · pith_short_12: 5FH4DOAAIYOR · pith_short_16: 5FH4DOAAIYORUTPG · pith_short_8: 5FH4DOAA

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/5FH4DOAAIYORUTPGOYWPXTTTEL \
  | 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: e94fc1b800461d1a4de6762cfbce7322f58c8a00bd173c5b3b892df12a7ccc65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0bbcf0c83e382420a90a0e0cbd29aa1b673d14bbd24ce6e07330d9ff2067f73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-04-27T20:01:06Z",
    "title_canon_sha256": "240d3671ecb68c30fda802be520c5f2036e9cbe68a63beddf2ee3a63f42dab1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4251",
    "kind": "arxiv",
    "version": 1
  }
}