Pith Number

pith:5D2MOUCD

pith:2018:5D2MOUCDDKJEZP4ISCXQFVGJ7W

not attested not anchored not stored refs pending

Chandra Detection of the Circumnuclear Molecular Torus of the Compton Thick AGN in NGC 5643

A. Paggi, A. Siemiginowska, G. Fabbiano, M. Elvis

arxiv:1812.02764 v1 · 2018-12-06 · astro-ph.HE · 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{5D2MOUCDDKJEZP4ISCXQFVGJ7W}

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	2026-05-17T23:57:37.105968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8f4c750431a924cbf8890af02d4c9fdb802d7eb9cd5ad4e895986465684f1d7

Aliases

arxiv: 1812.02764 · arxiv_version: 1812.02764v1 · doi: 10.48550/arxiv.1812.02764 · pith_short_12: 5D2MOUCDDKJE · pith_short_16: 5D2MOUCDDKJEZP4I · pith_short_8: 5D2MOUCD

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/5D2MOUCDDKJEZP4ISCXQFVGJ7W \
  | 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: e8f4c750431a924cbf8890af02d4c9fdb802d7eb9cd5ad4e895986465684f1d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d517071c7919d988b68f91724a17e1ddfa83ac94c3ff1a93752684d4b3c22e8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-12-06T19:26:58Z",
    "title_canon_sha256": "102fa9e0fbac1e58d73c777722f58c848d737fb2beefd821256dd21785663226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02764",
    "kind": "arxiv",
    "version": 1
  }
}