Pith Number

pith:JPW4SF34

pith:2010:JPW4SF34PGMZXVNTTOB5F5IXI5

not attested not anchored not stored refs pending

High Resolution Spectroscopy during Eclipse of the Young Substellar Eclipsing Binary 2MASS 0535-0546. I. Primary Spectrum: Cool Spots versus Opacity Uncertainties

Greg W. Doppmann, Keivan G. Stassun, Subhanjoy Mohanty

arxiv:1008.2304 v1 · 2010-08-13 · 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{JPW4SF34PGMZXVNTTOB5F5IXI5}

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	2026-05-18T02:05:48.620542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bedc9177c79999bd5b39b83d2f517474f1457b4b9b7dfa684e03132583b64ca

Aliases

arxiv: 1008.2304 · arxiv_version: 1008.2304v1 · doi: 10.48550/arxiv.1008.2304 · pith_short_12: JPW4SF34PGMZ · pith_short_16: JPW4SF34PGMZXVNT · pith_short_8: JPW4SF34

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/JPW4SF34PGMZXVNTTOB5F5IXI5 \
  | 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: 4bedc9177c79999bd5b39b83d2f517474f1457b4b9b7dfa684e03132583b64ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97f6957b1c743aa9d0d8c0628421017095836edd554a9fa8a1da42d7f6383737",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-08-13T12:25:39Z",
    "title_canon_sha256": "3ffbdc1998bf86180c5b9d2d1ba4d16d3eb5f206cbda315cac5778670aa839d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2304",
    "kind": "arxiv",
    "version": 1
  }
}