Pith Number

pith:RA25NFGP

pith:2014:RA25NFGP6W35OF4VHDQFW5YZGY

not attested not anchored not stored refs pending

A Herschel PACS survey of brown dwarfs in IC 2391: Limits on primordial and debris disk fractions

B. Riaz, G. M. Kennedy

arxiv:1405.7559 v1 · 2014-05-29 · 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{RA25NFGP6W35OF4VHDQFW5YZGY}

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	2026-05-18T02:50:50.963397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8835d694cff5b7d7179538e05b7719363e43bf8ce8cc0cf735941ad21c552e7a

Aliases

arxiv: 1405.7559 · arxiv_version: 1405.7559v1 · doi: 10.48550/arxiv.1405.7559 · pith_short_12: RA25NFGP6W35 · pith_short_16: RA25NFGP6W35OF4V · pith_short_8: RA25NFGP

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/RA25NFGP6W35OF4VHDQFW5YZGY \
  | 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: 8835d694cff5b7d7179538e05b7719363e43bf8ce8cc0cf735941ad21c552e7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d6a8fc7332778358d134960465c941dadd6123c3feffce636b1f05e5487666a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-05-29T14:14:03Z",
    "title_canon_sha256": "895242a4fffb5d488f090663883b5af10f086d6aecce6116350098ab70f6b5ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7559",
    "kind": "arxiv",
    "version": 1
  }
}