Pith Number

pith:FEQIQBF4

pith:2014:FEQIQBF4R7QIVXC24WYIIC7I6L

not attested not anchored not stored refs pending

The M4 Core Project with HST -- II. Multiple Stellar Populations at the Bottom of the Main Sequence

A. Bellini, A. Dieball, A. Dotter, A. F. Marino, A. P. Milone, C. Knigge, D. C. Heggie, G. Piotto, H. Jerjen, J. Anderson, K. Brogaard, L. R. Bedin, M. Asplund, M. Giersz, M. van den Berg, R. Buonanno, R. M. Rich, S. Cassisi

arxiv:1401.1091 v1 · 2014-01-06 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEQIQBF4R7QIVXC24WYIIC7I6L}

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	2026-05-18T01:45:33.669836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29208804bc8fe08adc5ae5b0840be8f2f928e4503c45bd70f21521524bb97adc

Aliases

arxiv: 1401.1091 · arxiv_version: 1401.1091v1 · doi: 10.48550/arxiv.1401.1091 · pith_short_12: FEQIQBF4R7QI · pith_short_16: FEQIQBF4R7QIVXC2 · pith_short_8: FEQIQBF4

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/FEQIQBF4R7QIVXC24WYIIC7I6L \
  | 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: 29208804bc8fe08adc5ae5b0840be8f2f928e4503c45bd70f21521524bb97adc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d0e4dc9a5fdf37b3376efd85828ac49bb442a3da8c54ebff6931294e968f2a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-01-06T14:37:51Z",
    "title_canon_sha256": "472281b3f2cfebe756cefd8ded1685611e3dcfdd4a87db7421b1802a5fa9dbe0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1091",
    "kind": "arxiv",
    "version": 1
  }
}