Pith Number

pith:P4O75LST

pith:2019:P4O75LSTE2DPXZAYF5INFPRP33

not attested not anchored not stored refs pending

Spectral Properties Of Populations Behind The Coherence In Spitzer Near-Infrared And Chandra X-Ray Backgrounds

Alexander Kashlinsky, Fabio Pacucci, G\"unther Hasinger, Nico Cappelluti, Richard G. Arendt, Yanxia Li

arxiv:1908.02293 v1 · 2019-08-06 · astro-ph.GA · 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{P4O75LSTE2DPXZAYF5INFPRP33}

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	2026-07-05T00:08:36.282766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f1dfeae532686fbe4182f50d2be2fdec07bdffb6ab0fc943d3ace82ae92929d

Aliases

arxiv: 1908.02293 · arxiv_version: 1908.02293v1 · doi: 10.48550/arxiv.1908.02293 · pith_short_12: P4O75LSTE2DP · pith_short_16: P4O75LSTE2DPXZAY · pith_short_8: P4O75LST

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/P4O75LSTE2DPXZAYF5INFPRP33 \
  | 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: 7f1dfeae532686fbe4182f50d2be2fdec07bdffb6ab0fc943d3ace82ae92929d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4daf0c336b172338f318aeb8e4599fe9109dbf9d791738bd14954e765f6156a",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-06T18:00:02Z",
    "title_canon_sha256": "11d1b555d0905df77d7f52b1c929a5d154367db54521fbbf086c87e1491f7d8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02293",
    "kind": "arxiv",
    "version": 1
  }
}