Pith Number

pith:NQMC2TK2

pith:2010:NQMC2TK2PBBWGF6QCL4BFKIKNK

not attested not anchored not stored refs pending

A near-infrared study of AGB and red giant stars in the Leo I dSph galaxy

E. V. Held, I. Saviane, L. Girardi, L. Rizzi, M. Gullieuszik, P. Marigo

arxiv:1001.5412 v1 · 2010-01-29 · astro-ph.CO · 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{NQMC2TK2PBBWGF6QCL4BFKIKNK}

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	2026-05-18T02:09:22.165257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c182d4d5a78436317d012f812a90a6a8eb976325368e2d786323401771a8f7e

Aliases

arxiv: 1001.5412 · arxiv_version: 1001.5412v1 · doi: 10.48550/arxiv.1001.5412 · pith_short_12: NQMC2TK2PBBW · pith_short_16: NQMC2TK2PBBWGF6Q · pith_short_8: NQMC2TK2

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/NQMC2TK2PBBWGF6QCL4BFKIKNK \
  | 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: 6c182d4d5a78436317d012f812a90a6a8eb976325368e2d786323401771a8f7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82878f803473892e3100cb161b2f03213a59245607a1a962963412c72348c9af",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-29T14:32:28Z",
    "title_canon_sha256": "2c38762b40b3a0a120320ca407cac9562c335440fb6f99ab4b2614e2e521570f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.5412",
    "kind": "arxiv",
    "version": 1
  }
}