Pith Number

pith:VE2I5DWS

pith:2018:VE2I5DWSF63CMYEW34RLKVOOEP

not attested not anchored not stored refs pending

Aluminium abundances in five discrete stellar populations of the globular cluster NGC 2808

(2) INAF-Osservatorio Astronomico di Padova), Angela Bragaglia (1), Antonio Sollima (1) ((1) INAF-Osservatorio di Astrofisica e Scienza dello Spazio di Bologna, Eugenio Carretta (1), Raffaele G. Gratton (2), Sara Lucatello (2), Valentina D'Orazi (2)

arxiv:1801.09689 v1 · 2018-01-29 · 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{VE2I5DWSF63CMYEW34RLKVOOEP}

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	2026-05-18T00:11:06.342553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9348e8ed22fb6266096df22b555ce23f499f6f9aae46f9ed39c4f6c619dd226

Aliases

arxiv: 1801.09689 · arxiv_version: 1801.09689v1 · doi: 10.48550/arxiv.1801.09689 · pith_short_12: VE2I5DWSF63C · pith_short_16: VE2I5DWSF63CMYEW · pith_short_8: VE2I5DWS

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/VE2I5DWSF63CMYEW34RLKVOOEP \
  | 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: a9348e8ed22fb6266096df22b555ce23f499f6f9aae46f9ed39c4f6c619dd226

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33316cd86020c13340c425d76a4a35665aff8b5c5ee0b696abc422781dc5f5a8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-29T19:00:01Z",
    "title_canon_sha256": "312ee5b8bbcf0a123c707dc55c3b9d25f2a2d5b21b25e0d0ca3b781284f055be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09689",
    "kind": "arxiv",
    "version": 1
  }
}