Pith Number

pith:F2D7O4AR

pith:2007:F2D7O4AR3JPAJELLUTTC475PN5

not attested not anchored not stored refs pending

Tidal radii and escape speeds in dwarf spheroidal galaxies under MOND and dark halos compared

F.J. Sanchez-Salcedo, X. Hernandez

arxiv:astro-ph/0702443 v2 · 2007-02-16 · astro-ph

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

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	2026-05-18T04:36:20.328912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e87f77011da5e04916ba4e62e7faf6f598b40c17b2fb564dfebd9465f9435b7

Aliases

arxiv: astro-ph/0702443 · arxiv_version: astro-ph/0702443v2 · doi: 10.48550/arxiv.astro-ph/0702443 · pith_short_12: F2D7O4AR3JPA · pith_short_16: F2D7O4AR3JPAJELL · pith_short_8: F2D7O4AR

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/F2D7O4AR3JPAJELLUTTC475PN5 \
  | 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: 2e87f77011da5e04916ba4e62e7faf6f598b40c17b2fb564dfebd9465f9435b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "160f424484ace70b82e1d631bfdcda167e0050f4dc48d33458734047b197a85d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-16T18:03:15Z",
    "title_canon_sha256": "393442174e82179720ac20ffaaeade68a92e28a89b2c303bf802423f67f68e7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702443",
    "kind": "arxiv",
    "version": 2
  }
}