Pith Number

pith:7WPVRAHF

pith:2019:7WPVRAHFVWLFTGCPN7USPF7OH2

not attested not anchored not stored refs pending

High Spatial Resolution Thermal-Infrared Spectroscopy with ALES: Resolved Spectra of the Benchmark Brown Dwarf Binary HD 130948BC

Andrew J. Skemer, Charles E. Woodward, Eckhart Spalding, Jarron Leisenring, Jordan M. Stone, Michael F. Skrutskie, Philip Hinz, Travis S. Barman, Zackery W. Briesemeister

arxiv:1904.07892 v1 · 2019-04-16 · 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{7WPVRAHFVWLFTGCPN7USPF7OH2}

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	2026-05-17T23:44:11.323534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd9f5880e5ad9659984f6fe92797ee3e9fb5f999f3248d80cdafd5a542bf7102

Aliases

arxiv: 1904.07892 · arxiv_version: 1904.07892v1 · doi: 10.48550/arxiv.1904.07892 · pith_short_12: 7WPVRAHFVWLF · pith_short_16: 7WPVRAHFVWLFTGCP · pith_short_8: 7WPVRAHF

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/7WPVRAHFVWLFTGCPN7USPF7OH2 \
  | 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: fd9f5880e5ad9659984f6fe92797ee3e9fb5f999f3248d80cdafd5a542bf7102

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3775928112764f92b1a3747467d7b2ae2a4cb448990cde66348bcbf9823ddd9",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-16T18:01:06Z",
    "title_canon_sha256": "43628a8e5bd09329f9770bfc99bfb08c7c5c5ca906ab53e21aa3d6b6b44a3973"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07892",
    "kind": "arxiv",
    "version": 1
  }
}