Pith Number

pith:6LE4B7C4

pith:2009:6LE4B7C4ZP6LJCDI467UEAOKRI

not attested not anchored not stored refs pending

Galaxy formation from dry and hydro simulations

Bologna University, Italy), L. Ciotti (Dept. of Astronomy

arxiv:0908.3992 v1 · 2009-08-27 · astro-ph.CO · 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{6LE4B7C4ZP6LJCDI467UEAOKRI}

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	2026-05-18T02:12:22.215654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2c9c0fc5ccbfcb48868e7bf4201ca8a327074917b260c8e18ae1d20c7fcdae4

Aliases

arxiv: 0908.3992 · arxiv_version: 0908.3992v1 · doi: 10.48550/arxiv.0908.3992 · pith_short_12: 6LE4B7C4ZP6L · pith_short_16: 6LE4B7C4ZP6LJCDI · pith_short_8: 6LE4B7C4

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/6LE4B7C4ZP6LJCDI467UEAOKRI \
  | 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: f2c9c0fc5ccbfcb48868e7bf4201ca8a327074917b260c8e18ae1d20c7fcdae4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdfeef4faddd4d59d2797c77316d6a1c2cc45e8ec5ff1058787be041db6fd081",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-27T12:05:46Z",
    "title_canon_sha256": "19ba3804b2479df052ada40dafd6c5bce98809851ada2665c997a55e1dd8f803"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3992",
    "kind": "arxiv",
    "version": 1
  }
}