Pith Number

pith:X5GKE7Y5

pith:2017:X5GKE7Y5MCG3M7YHTTZOKD2EED

not attested not anchored not stored refs pending

Spectroscopic study of the elusive globular cluster ESO452-SC11 and its surroundings

Andrea Kunder, Andreas Koch, Camilla Juul Hansen

arxiv:1703.06921 v2 · 2017-03-20 · 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{X5GKE7Y5MCG3M7YHTTZOKD2EED}

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	2026-05-18T00:38:28.005000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf4ca27f1d608db67f079cf2e50f4420c0ebfa595dfcf7c38470b9c4c8a3c5fa

Aliases

arxiv: 1703.06921 · arxiv_version: 1703.06921v2 · doi: 10.48550/arxiv.1703.06921 · pith_short_12: X5GKE7Y5MCG3 · pith_short_16: X5GKE7Y5MCG3M7YH · pith_short_8: X5GKE7Y5

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/X5GKE7Y5MCG3M7YHTTZOKD2EED \
  | 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: bf4ca27f1d608db67f079cf2e50f4420c0ebfa595dfcf7c38470b9c4c8a3c5fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b074705bf8716bd0ab5b6ab8f25f1590eab9fd45b3e4ce7ceb7635da979db607",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-20T18:50:42Z",
    "title_canon_sha256": "d0cda4d9729c3fe2335bb9ff07a9e70f972e342900a0136b0e8eabb812915ce4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06921",
    "kind": "arxiv",
    "version": 2
  }
}