Pith Number

pith:B2XW3VQP

pith:2012:B2XW3VQP7SSD3JSDS5WA2FLJGO

not attested not anchored not stored refs pending

Spectroscopy across the brown dwarf/planetary mass boundary - I. Near-infrared JHK spectra

A. Vigan, Ch. Helling, E. Rice, J. Patience, P. Hauschildt, R. J. De Rosa, R. R. King, S. Witte

arxiv:1201.3921 v1 · 2012-01-18 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B2XW3VQP7SSD3JSDS5WA2FLJGO}

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	2026-05-18T01:58:47.125221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eaf6dd60ffca43da643976c0d156933afc2b57a9224b558768a79a15dabe45b

Aliases

arxiv: 1201.3921 · arxiv_version: 1201.3921v1 · doi: 10.48550/arxiv.1201.3921 · pith_short_12: B2XW3VQP7SSD · pith_short_16: B2XW3VQP7SSD3JSD · pith_short_8: B2XW3VQP

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/B2XW3VQP7SSD3JSDS5WA2FLJGO \
  | 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: 0eaf6dd60ffca43da643976c0d156933afc2b57a9224b558768a79a15dabe45b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34da22d79562930ed548314da59cfe7ef2247de7c8fbcefd3f2f6b3a3bfaa4d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-01-18T21:00:08Z",
    "title_canon_sha256": "551d9b5a0f86772bfb2a848454e2603f87beaee7e18e75dbb0a225bfbdb15b57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3921",
    "kind": "arxiv",
    "version": 1
  }
}