Pith Number

pith:DIFZ5NMI

pith:2010:DIFZ5NMIDV5K3WVSN2U44BFUAA

not attested not anchored not stored refs pending

Abundances for a large sample of red giants in NGC 1851: hints for a merger of two clusters?

(10) Univers. Padova), (2) INAF-Oss. Astr. Padova, (2) S. Lucatello (2, 3, (3) Excellence Cluster Universe, 4), (4) Max Planck Inst. Astrophys., (5) INAF-Oss. Astr. Catania, (6) Univers. Catania, 7), (7) ESO, (8) INAF-Oss. Astr. Collurania, (9) INAF-Oss. Astr. Roma, A. Bragaglia (1), E. Carretta (1), F. D'Antona (9), F. Leone (6), G. Catanzaro (5), R.G. Gratton, S. Cassisi (8), S. Ortolani (10) ((1) INAF-Oss. Astr. Bologna, V. D'Orazi (2), Y. Momany (2

arxiv:1007.5301 v1 · 2010-07-29 · 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{DIFZ5NMIDV5K3WVSN2U44BFUAA}

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	2026-05-18T02:06:01.145103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a0b9eb5881d7aaddab26ea9ce04b4002e3d5ec9e1681f6029e39d0f66bb8c8a

Aliases

arxiv: 1007.5301 · arxiv_version: 1007.5301v1 · doi: 10.48550/arxiv.1007.5301 · pith_short_12: DIFZ5NMIDV5K · pith_short_16: DIFZ5NMIDV5K3WVS · pith_short_8: DIFZ5NMI

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/DIFZ5NMIDV5K3WVSN2U44BFUAA \
  | 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: 1a0b9eb5881d7aaddab26ea9ce04b4002e3d5ec9e1681f6029e39d0f66bb8c8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c0ae8514ae93c7293c9ac372701fc860643ce920d6cc16a3d09c67327c99d42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-07-29T19:17:57Z",
    "title_canon_sha256": "e837f15ef672d17758849bc8b382a5337c54b6a37f1af10bc9bd0c736ca8cafe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.5301",
    "kind": "arxiv",
    "version": 1
  }
}