Pith Number

pith:25BF2UGU

pith:2010:25BF2UGUTNTUWRQTXJSSCJF56Z

not attested not anchored not stored refs pending

Chemical abundances in the polar disk of NGC4650A: implications for cold accretion scenario

E. Iodice, G. Longo, M. Arnaboldi, M. Spavone, O. Gerhard, R. Saglia

arxiv:1003.1721 v1 · 2010-03-08 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{25BF2UGUTNTUWRQTXJSSCJF56Z}

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	2026-05-18T02:08:36.417199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7425d50d49b674b4613ba652124bdf67018c7991e1a47cfed5912c434cc2cd0

Aliases

arxiv: 1003.1721 · arxiv_version: 1003.1721v1 · doi: 10.48550/arxiv.1003.1721 · pith_short_12: 25BF2UGUTNTU · pith_short_16: 25BF2UGUTNTUWRQT · pith_short_8: 25BF2UGU

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/25BF2UGUTNTUWRQTXJSSCJF56Z \
  | 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: d7425d50d49b674b4613ba652124bdf67018c7991e1a47cfed5912c434cc2cd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b19b0306cab567aba1d81f2dab093fb8d35a57961aaf489d5c7342522f8acd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-03-08T21:01:25Z",
    "title_canon_sha256": "cb71b9acc044ef038d947ac26d00e8231c5f5a07dd00e858e396cd9bfad668c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1721",
    "kind": "arxiv",
    "version": 1
  }
}