Pith Number

pith:2ZBQ34Y4

pith:2014:2ZBQ34Y4Z5CYYVL6MIAGNGMKDX

not attested not anchored not stored refs pending

Probing the nuclear star cluster of galaxies with ELTs

L. Greggio, L. Schreiber, M. Gullieuszik, M. Uslenghi, R. Falomo

arxiv:1406.7818 v1 · 2014-06-30 · 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{2ZBQ34Y4Z5CYYVL6MIAGNGMKDX}

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	2026-05-18T02:43:34.627769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6430df31ccf458c557e620066998a1dee6267dddb8ab5b51b53bcf8b6557556

Aliases

arxiv: 1406.7818 · arxiv_version: 1406.7818v1 · doi: 10.48550/arxiv.1406.7818 · pith_short_12: 2ZBQ34Y4Z5CY · pith_short_16: 2ZBQ34Y4Z5CYYVL6 · pith_short_8: 2ZBQ34Y4

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/2ZBQ34Y4Z5CYYVL6MIAGNGMKDX \
  | 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: d6430df31ccf458c557e620066998a1dee6267dddb8ab5b51b53bcf8b6557556

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83ec862f2928f8dc949c8d9bd7fd555c7c5775b3c7051cf535d2f9a41c61ca09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-06-30T17:14:10Z",
    "title_canon_sha256": "7dded3d177f6520977b350c3cfe6afce2fa50ed5e5165aa24acf919aea82c267"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7818",
    "kind": "arxiv",
    "version": 1
  }
}