Pith Number

pith:UKSHX4DK

pith:2023:UKSHX4DKWLSRIFAZHB6X6EKLKW

not attested not anchored not stored refs pending

A Chandra X-ray Survey of Optically Selected Close Galaxy Pairs: Unexpectedly Low Occupation of Active Galactic Nuclei

Lin He, Meicun Hou, Shuai Feng, Xin Liu, Zhiyuan Li

arxiv:2303.08388 v1 · 2023-03-15 · 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{UKSHX4DKWLSRIFAZHB6X6EKLKW}

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.

Cited by

1 paper in Pith

The PARADIGM Project II: Characterising Nuclear and Diffuse Radio Components in Local U/LIRGs

Receipt and verification

First computed	2026-07-05T06:18:11.681404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2a47bf06ab2e5141419387d7f114b559e556d290a9fba6847bb620c1c20dd7a

Aliases

arxiv: 2303.08388 · arxiv_version: 2303.08388v1 · doi: 10.48550/arxiv.2303.08388 · pith_short_12: UKSHX4DKWLSR · pith_short_16: UKSHX4DKWLSRIFAZ · pith_short_8: UKSHX4DK

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/UKSHX4DKWLSRIFAZHB6X6EKLKW \
  | 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: a2a47bf06ab2e5141419387d7f114b559e556d290a9fba6847bb620c1c20dd7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b38919c493891d66e93c72c4bb3b2a114fa371009839678e06cb2d9b935619e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-03-15T06:24:01Z",
    "title_canon_sha256": "b760270f2a59212c535f3fdfa905d7392fc256ddeba66cffb7d1a3337db0f0f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.08388",
    "kind": "arxiv",
    "version": 1
  }
}