Pith Number

pith:RSAMEQII

pith:2011:RSAMEQIIYMMRB5GOJEHLIZSYPK

not attested not anchored not stored refs pending

The Araucaria Project. Accurate determination of the dynamical mass of the classical Cepheid in the eclipsing system OGLE-LMC-CEP-1812

A. Udalski, B. Pilecki, D. Graczyk., G. Bono, G. Pietrzynski, I. Soszynski, I. Thompson, J. Storm, N. Nardetto, P. Konorski, W. Gieren

arxiv:1109.5414 v1 · 2011-09-25 · 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{RSAMEQIIYMMRB5GOJEHLIZSYPK}

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	2026-05-18T02:00:25.418497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c80c24108c31910f4ce490eb466587a9e7e69c6f0f3e405d5e33b756a9368f3

Aliases

arxiv: 1109.5414 · arxiv_version: 1109.5414v1 · doi: 10.48550/arxiv.1109.5414 · pith_short_12: RSAMEQIIYMMR · pith_short_16: RSAMEQIIYMMRB5GO · pith_short_8: RSAMEQII

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/RSAMEQIIYMMRB5GOJEHLIZSYPK \
  | 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: 8c80c24108c31910f4ce490eb466587a9e7e69c6f0f3e405d5e33b756a9368f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "208a1b38f097134e08a96ee2f03c5d5ce158248456d8dbd61a0c98e433653b2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-25T23:21:18Z",
    "title_canon_sha256": "981c71a219545a7a7a1e2976f3f2118ba3060aa9c788d20ec21726d4fc36bbc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5414",
    "kind": "arxiv",
    "version": 1
  }
}