Pith Number

pith:SWPN6GUR

pith:2013:SWPN6GUR6DOLUCGIY6L6MK4LAD

not attested not anchored not stored refs pending

Explaining the observed velocity dispersion of dwarf galaxies by baryonic mass loss during the first collapse

Douglas N. C. Lin, Matthias Gritschneder

arxiv:1301.3131 v1 · 2013-01-14 · 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{SWPN6GUR6DOLUCGIY6L6MK4LAD}

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	2026-05-18T01:52:12.434621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

959edf1a91f0dcba08c8c797e62b8b00fe1e6fc55cea4e638432ab7798c3d216

Aliases

arxiv: 1301.3131 · arxiv_version: 1301.3131v1 · doi: 10.48550/arxiv.1301.3131 · pith_short_12: SWPN6GUR6DOL · pith_short_16: SWPN6GUR6DOLUCGI · pith_short_8: SWPN6GUR

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/SWPN6GUR6DOLUCGIY6L6MK4LAD \
  | 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: 959edf1a91f0dcba08c8c797e62b8b00fe1e6fc55cea4e638432ab7798c3d216

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f943d3b92b79ced32f9d1612c832521d3c7f425c804e837fe9c90fbc89cb261a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-01-14T21:00:00Z",
    "title_canon_sha256": "e9e55b776104adf583cb21ca0701cff580ae1a0b48099ede8576c9896c86bf8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3131",
    "kind": "arxiv",
    "version": 1
  }
}