Pith Number

pith:DF2QUC7I

pith:2008:DF2QUC7IJGZ3QRBW3KGSKSQWQF

not attested not anchored not stored refs pending

Supergiant Temperatures and Linear Radii from Near-Infrared Interferometry

A. Hart, G. T. van Belle, M. J. Creech-Eakman

arxiv:0811.4239 v1 · 2008-11-26 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DF2QUC7IJGZ3QRBW3KGSKSQWQF}

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	2026-05-18T02:15:13.068254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19750a0be849b3b84436da8d254a16816ce79ecf5a4e19c343058dd84175a234

Aliases

arxiv: 0811.4239 · arxiv_version: 0811.4239v1 · doi: 10.48550/arxiv.0811.4239 · pith_short_12: DF2QUC7IJGZ3 · pith_short_16: DF2QUC7IJGZ3QRBW · pith_short_8: DF2QUC7I

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/DF2QUC7IJGZ3QRBW3KGSKSQWQF \
  | 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: 19750a0be849b3b84436da8d254a16816ce79ecf5a4e19c343058dd84175a234

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40acd88cd9585247f046ca309221f0815b384a4021afbf0e3a3d64f3e3efd4f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-26T07:30:33Z",
    "title_canon_sha256": "7ef6179ddb45c5688bdb62f34ca1304605c60e3866c03f0a93186472d90fe5d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.4239",
    "kind": "arxiv",
    "version": 1
  }
}