Pith Number

pith:LIGTFX5C

pith:2022:LIGTFX5CIAOA7TSNQWDO3YDYYW

not attested not anchored not stored refs pending

The VMC Survey -- XLVIII. Classical Cepheids unveil the 3D geometry of the LMC

D. El Youssoufi, G. Clementini, G. De Somma, J. Th. van Loon, K. Bekki, L. Chemin, L. Girardi, M.A.T. Groenewegen, M. Marconi, M.R.L. Cioni, P. J. McMillan, R. de Grijs, R. Molinaro, V. Ivanov, V. Ripepi

arxiv:2203.01780 v1 · 2022-03-03 · astro-ph.GA · 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{LIGTFX5CIAOA7TSNQWDO3YDYYW}

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	2026-07-05T04:04:06.086731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a0d32dfa2401c0fce4d8586ede078c5a00ba11656ea3524509bc81b817c551b

Aliases

arxiv: 2203.01780 · arxiv_version: 2203.01780v1 · doi: 10.48550/arxiv.2203.01780 · pith_short_12: LIGTFX5CIAOA · pith_short_16: LIGTFX5CIAOA7TSN · pith_short_8: LIGTFX5C

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/LIGTFX5CIAOA7TSNQWDO3YDYYW \
  | 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: 5a0d32dfa2401c0fce4d8586ede078c5a00ba11656ea3524509bc81b817c551b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b9b12de229a7d77391568773c173ba3d070cc217b6ac2cd23a918e2561ae27e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-03-03T15:47:50Z",
    "title_canon_sha256": "9e96bc8a2b7de184584b8e636f9c1493381b845ec4cc55dfbbfcf9f1e4abb473"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.01780",
    "kind": "arxiv",
    "version": 1
  }
}