Pith Number

pith:55AKO2EX

pith:2013:55AKO2EXEHW3MZJ2GPGQFEEQC6

not attested not anchored not stored refs pending

Optical Interferometry of early-type stars with PAVO@CHARA. I. Fundamental stellar properties

D. Huber, G. H. Schaefer, J. D. Monnier, J. G. Robertson, M. J. Ireland, P. G. Tuthill, T. A. ten Brummelaar, T. R. White, V. Maestro, X. Che, Y. Kok

arxiv:1306.5937 v1 · 2013-06-25 · 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{55AKO2EXEHW3MZJ2GPGQFEEQC6}

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	2026-05-18T03:19:58.137807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef40a7689721edb6653a33cd0290901794ce9c80b388521218a9a03692c73db8

Aliases

arxiv: 1306.5937 · arxiv_version: 1306.5937v1 · doi: 10.48550/arxiv.1306.5937 · pith_short_12: 55AKO2EXEHW3 · pith_short_16: 55AKO2EXEHW3MZJ2 · pith_short_8: 55AKO2EX

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/55AKO2EXEHW3MZJ2GPGQFEEQC6 \
  | 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: ef40a7689721edb6653a33cd0290901794ce9c80b388521218a9a03692c73db8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4885d06863554cca6a918f8d18c1fb6156436815e143f6b78ae145a528073a27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-25T12:31:57Z",
    "title_canon_sha256": "48443cea72c366086ba85058453cf29163181ce61f4b6a1b10e3c970194c9613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5937",
    "kind": "arxiv",
    "version": 1
  }
}