Pith Number

pith:7UT2S7A6

pith:2012:7UT2S7A6SV2NTNVSITXHITI7FL

not attested not anchored not stored refs pending

Gravitational Collapse in One Dimension

A.E. Schulz, Gerard Jungman, Scott Tremaine, Walter Dehnen

arxiv:1206.0299 v1 · 2012-06-01 · 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{7UT2S7A6SV2NTNVSITXHITI7FL}

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	2026-05-18T01:57:08.733749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd27a97c1e9574d9b6b244ee744d1f2aef995d2c83906fdf4ee8ddfd85508d37

Aliases

arxiv: 1206.0299 · arxiv_version: 1206.0299v1 · doi: 10.48550/arxiv.1206.0299 · pith_short_12: 7UT2S7A6SV2N · pith_short_16: 7UT2S7A6SV2NTNVS · pith_short_8: 7UT2S7A6

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/7UT2S7A6SV2NTNVSITXHITI7FL \
  | 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: fd27a97c1e9574d9b6b244ee744d1f2aef995d2c83906fdf4ee8ddfd85508d37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9da00c0d499a757f705ba3554c0334d70e8b336498950825ec6f5af5fa11b603",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-01T20:00:07Z",
    "title_canon_sha256": "327402b3f34a36c2dab36196031a570e1786eaa118586e7320489f92420eefbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0299",
    "kind": "arxiv",
    "version": 1
  }
}