Pith Number

pith:2D6C2RGP

pith:2022:2D6C2RGPP7IVES3DK76Z6R7L77

not attested not anchored not stored refs pending

SPICA-FT: The new fringe tracker of the CHARA array

Christophe Bailet, Cyril Pannetier, Daniel Lecron, Denis Mourard, Fatme Allouche, Fr\'ed\'eric Cassaing, Jean-Baptiste Le Bouquin, John D. Monnier, Julien Dejonghe, Karine Perraut, Narsireddy Anugu, Philippe Berio, Sylvain Rousseau, Theo ten Brummelaar

arxiv:2210.09042 v1 · 2022-10-17 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2D6C2RGPP7IVES3DK76Z6R7L77}

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	2026-07-05T05:07:18.338098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0fc2d44cf7fd1524b6357fd9f47ebfff1240f0533a55d06402ae5baf6277aba

Aliases

arxiv: 2210.09042 · arxiv_version: 2210.09042v1 · doi: 10.48550/arxiv.2210.09042 · pith_short_12: 2D6C2RGPP7IV · pith_short_16: 2D6C2RGPP7IVES3D · pith_short_8: 2D6C2RGP

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/2D6C2RGPP7IVES3DK76Z6R7L77 \
  | 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: d0fc2d44cf7fd1524b6357fd9f47ebfff1240f0533a55d06402ae5baf6277aba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd0af3074bc57fe0b99cb4d864501cd06505fdff83130bfa6e29ab7b531cc0ca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-10-17T12:56:56Z",
    "title_canon_sha256": "b5cf24e9e1d8733566124263626577fd40e3e0606212c0e6d6b33b8274d933f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.09042",
    "kind": "arxiv",
    "version": 1
  }
}