Pith Number

pith:MQDCENTS

pith:2013:MQDCENTSFJNZVBJEOD5IBPJLNM

not attested not anchored not stored refs pending

Can we reproduce the X-ray background spectral shape using local AGN?

Poshak Gandhi, Ranjan V. Vasudevan, Richard F. Mushotzky

arxiv:1305.6611 v1 · 2013-05-28 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQDCENTSFJNZVBJEOD5IBPJLNM}

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	2026-05-18T01:49:40.652768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64062236722a5b9a852470fa80bd2b6b16831614df77c053befa4d75d8b224a2

Aliases

arxiv: 1305.6611 · arxiv_version: 1305.6611v1 · doi: 10.48550/arxiv.1305.6611 · pith_short_12: MQDCENTSFJNZ · pith_short_16: MQDCENTSFJNZVBJE · pith_short_8: MQDCENTS

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/MQDCENTSFJNZVBJEOD5IBPJLNM \
  | 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: 64062236722a5b9a852470fa80bd2b6b16831614df77c053befa4d75d8b224a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4485e8105b74fe740cd339d57f4580d1ab5c8cb8bad15b67358dc60fd423f225",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-28T20:00:03Z",
    "title_canon_sha256": "fff55a7f165b9b5ef3ca4867238af2f4c804329dc55af5282333278872b69dbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6611",
    "kind": "arxiv",
    "version": 1
  }
}