Pith Number

pith:QDFODSVF

pith:2013:QDFODSVFUQJDB2F2PA4FMSMHIS

not attested not anchored not stored refs pending

On the cross-section of Dark Matter using substructure infall into galaxy clusters

Andy Taylor, Daisuke Nagai, David Harvey, Eric Tittley, Erwin T. Lau, Richard Massey, Scott T. Kay, Simon R. Pike, Thomas D. Kitching

arxiv:1310.1731 v2 · 2013-10-07 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDFODSVFUQJDB2F2PA4FMSMHIS}

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	2026-05-18T01:47:14.554749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80cae1caa5a41230e8ba78385649874490a09d9776c26e378cca7948ea2b1247

Aliases

arxiv: 1310.1731 · arxiv_version: 1310.1731v2 · doi: 10.48550/arxiv.1310.1731 · pith_short_12: QDFODSVFUQJD · pith_short_16: QDFODSVFUQJDB2F2 · pith_short_8: QDFODSVF

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/QDFODSVFUQJDB2F2PA4FMSMHIS \
  | 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: 80cae1caa5a41230e8ba78385649874490a09d9776c26e378cca7948ea2b1247

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1070697ff36670fafbab7283f9abdf952d08b64e1ccd5ab1b8b2f9f47667229",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-07T11:05:03Z",
    "title_canon_sha256": "094656cca289c0e6a8cc2bfe341a468b07512b88ce58136c6f3c0fa749b8673f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1731",
    "kind": "arxiv",
    "version": 2
  }
}