Pith Number

pith:5RN3HXD3

pith:2018:5RN3HXD3YC3LRP3J5CWIU5FG73

not attested not anchored not stored refs pending

Metal-Depleted Brown Dwarfs

2) ((1) IAC, (2) ULL, Nicolas Lodieu (1, Spain, Spain), Tenerife

arxiv:1804.03491 v1 · 2018-04-10 · 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{5RN3HXD3YC3LRP3J5CWIU5FG73}

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	2026-05-17T23:59:09.277682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec5bb3dc7bc0b6b8bf69e8ac8a74a6fefad6e5893809763ea9564e2d4efe68f7

Aliases

arxiv: 1804.03491 · arxiv_version: 1804.03491v1 · doi: 10.48550/arxiv.1804.03491 · pith_short_12: 5RN3HXD3YC3L · pith_short_16: 5RN3HXD3YC3LRP3J · pith_short_8: 5RN3HXD3

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/5RN3HXD3YC3LRP3J5CWIU5FG73 \
  | 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: ec5bb3dc7bc0b6b8bf69e8ac8a74a6fefad6e5893809763ea9564e2d4efe68f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a29ade14110c9236609562af3ec36cb59d3096ab45fdf486010875cd1561d9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-10T13:06:17Z",
    "title_canon_sha256": "29593fe469d64090aeadadbec50bfb19b5fbe8798101b19710a847d1156602a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03491",
    "kind": "arxiv",
    "version": 1
  }
}