Pith Number

pith:R7IIQWFI

pith:2012:R7IIQWFICPIFSZEURDKRCPMXQP

not attested not anchored not stored refs pending

Mean angular diameters, distances and pulsation modes of the classical Cepheids FF Aql and T Vul - CHARA/FLUOR near-infrared interferometric observations

A. Gallenne, A. M\'erand, C. Farrington, H. McAlister, J. Sturmann, L. Sturmann, N. Turner, P. J. Goldfinger, P. Kervella, T. ten Brummelaar, V. Coud\'e du Foresto

arxiv:1203.6682 v1 · 2012-03-29 · astro-ph.SR · 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{R7IIQWFICPIFSZEURDKRCPMXQP}

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	2026-05-18T01:58:00.245167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fd08858a813d059649488d5113d9783c06c06c63a7ea8dba53251ee42329205

Aliases

arxiv: 1203.6682 · arxiv_version: 1203.6682v1 · doi: 10.48550/arxiv.1203.6682 · pith_short_12: R7IIQWFICPIF · pith_short_16: R7IIQWFICPIFSZEU · pith_short_8: R7IIQWFI

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/R7IIQWFICPIFSZEURDKRCPMXQP \
  | 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: 8fd08858a813d059649488d5113d9783c06c06c63a7ea8dba53251ee42329205

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd26dfbef6adf9ee002eede884cb2db86e699c9e835aed83f4c1f847ed8700ca",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-29T22:33:37Z",
    "title_canon_sha256": "97f0bc8036c3fa6b451a6ae806a1b0e53eb09a332fc08cb9a85e1de07df7bc42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6682",
    "kind": "arxiv",
    "version": 1
  }
}