Pith Number

pith:F3XP7O7L

pith:2017:F3XP7O7L4D7SC37QSTVUOKCBGZ

not attested not anchored not stored refs pending

Probing large scale coherence between Spitzer IR and Chandra X-ray source-subtracted cosmic backgrounds

A. Finoguenov, A. Kashlinsky, G. Hasinger, K. Helgason, M. Urry, N. Cappelluti, P. Natarajan, R. Arendt, Y. Li

arxiv:1709.02824 v2 · 2017-09-08 · astro-ph.CO · 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{F3XP7O7L4D7SC37QSTVUOKCBGZ}

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	2026-05-18T00:33:48.214610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eeeffbbebe0ff216ff094eb47284136449eb02f2c335dd06ce558a7d5c5c9b9

Aliases

arxiv: 1709.02824 · arxiv_version: 1709.02824v2 · doi: 10.48550/arxiv.1709.02824 · pith_short_12: F3XP7O7L4D7S · pith_short_16: F3XP7O7L4D7SC37Q · pith_short_8: F3XP7O7L

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/F3XP7O7L4D7SC37QSTVUOKCBGZ \
  | 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: 2eeeffbbebe0ff216ff094eb47284136449eb02f2c335dd06ce558a7d5c5c9b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cef086350688c391c6aedade4b24e34debd28771a6c2ead9eedf3c97965ac25c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-09-08T18:11:23Z",
    "title_canon_sha256": "ebf3cabe6b55c7e9220737b507a78c689a40c2093e08fdc09ee0207cdc95f12b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02824",
    "kind": "arxiv",
    "version": 2
  }
}