Pith Number

pith:2PYNDOCW

pith:2018:2PYNDOCWEJMSLGD76ASLKNPTOL

not attested not anchored not stored refs pending

Observing multiple populations in globular clusters with the ESO archive: NGC 6388 reloaded

Angela Bragaglia (1) ((1) INAF-Osservatorio di Astrofisica e Scienza dello Spazio di Bologna), Eugenio Carretta (1)

arxiv:1802.06787 v1 · 2018-02-19 · astro-ph.SR · 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{2PYNDOCWEJMSLGD76ASLKNPTOL}

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	2026-05-18T00:12:18.291159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3f0d1b856225925987ff024b535f372f8021d271cd0710c1b8fa70c7edc1ae4

Aliases

arxiv: 1802.06787 · arxiv_version: 1802.06787v1 · doi: 10.48550/arxiv.1802.06787 · pith_short_12: 2PYNDOCWEJMS · pith_short_16: 2PYNDOCWEJMSLGD7 · pith_short_8: 2PYNDOCW

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/2PYNDOCWEJMSLGD76ASLKNPTOL \
  | 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: d3f0d1b856225925987ff024b535f372f8021d271cd0710c1b8fa70c7edc1ae4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beeddf05818371569cc29c029d5e0e3e75b23e9d6693820cfcf763457b6e673e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-19T19:00:01Z",
    "title_canon_sha256": "410cc4ecffe968b9aac812155a2e957d80595d4a1b3cf8648546c6d60eb553ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06787",
    "kind": "arxiv",
    "version": 1
  }
}