Pith Number

pith:2QJEMCAN

pith:2008:2QJEMCANQW3T5VXJ2GZJFXC452

not attested not anchored not stored refs pending

The role of the unstable equilibrium points in the transfer of matter in galactic potentials

(2)IEEC&MA1, (3) DEIM, Barcelona, C. Garcia-Gomez (3), E. Athanassoula (1)((1)LAM, J.J. Masdemont (2), Marseille, M. Romero-Gomez (1), Tarragona), UPC, URV

arxiv:0807.3832 v1 · 2008-07-24 · math.DS · 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{2QJEMCANQW3T5VXJ2GZJFXC452}

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	2026-05-18T02:15:44.583857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d41246080d85b73ed6e9d1b292dc5cee9cc4d1ccd061e875a1ed7aa3495abeb0

Aliases

arxiv: 0807.3832 · arxiv_version: 0807.3832v1 · doi: 10.48550/arxiv.0807.3832 · pith_short_12: 2QJEMCANQW3T · pith_short_16: 2QJEMCANQW3T5VXJ · pith_short_8: 2QJEMCAN

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/2QJEMCANQW3T5VXJ2GZJFXC452 \
  | 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: d41246080d85b73ed6e9d1b292dc5cee9cc4d1ccd061e875a1ed7aa3495abeb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f72b2d496175bc728d5b02bc4aa9f546a8c1d456d43a13c24c7643773a0356f",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2008-07-24T09:41:59Z",
    "title_canon_sha256": "e6d6df498460136f0adab9fb55a67ca07b7de22e92423de1fd93891830b24426"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.3832",
    "kind": "arxiv",
    "version": 1
  }
}