Pith Number

pith:WMS5ITHJ

pith:2011:WMS5ITHJZHAVAEJYYM44R2UN7M

not attested not anchored not stored refs pending

Constraints on the Redshift Evolution of the L_X-SFR Relation from the Cosmic X-Ray Backgrounds

2), 2) ((1) MPA, (2) Space Research Institute of Russian Academy of Sciences, (3) Harvard), Abraham Loeb (3), Mark Dijkstra (1), M. Gilfanov (1, R. Sunyaev (1

arxiv:1108.4420 v2 · 2011-08-22 · 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{WMS5ITHJZHAVAEJYYM44R2UN7M}

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	2026-05-18T02:00:49.640471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b325d44ce9c9c1501138c339c8ea8dfb2eb0cac517cb28ad3709407be771bcab

Aliases

arxiv: 1108.4420 · arxiv_version: 1108.4420v2 · doi: 10.48550/arxiv.1108.4420 · pith_short_12: WMS5ITHJZHAV · pith_short_16: WMS5ITHJZHAVAEJY · pith_short_8: WMS5ITHJ

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/WMS5ITHJZHAVAEJYYM44R2UN7M \
  | 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: b325d44ce9c9c1501138c339c8ea8dfb2eb0cac517cb28ad3709407be771bcab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9792d5878c90f1bc877a5c2514aae3b9cf75e9ed15417b4c9e48b280b0ca42db",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-22T20:00:07Z",
    "title_canon_sha256": "9be10507cf17fc53f32865fb2317600e6b4733d6137b6ac9fb0d6772214de888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4420",
    "kind": "arxiv",
    "version": 2
  }
}