Pith Number

pith:FKGUURUB

pith:2017:FKGUURUBRTO5IZSGBFV7Y6NFVT

not attested not anchored not stored refs pending

CFBDSIR 2149-0403: young isolated planetary-mass object or high-metallicity low-mass brown dwarf??

C. Morley, C. Reyl\'e, D. Homeier, E. Artigau, F. Allard, J. Gagn\'e, L. Albert, L. Malo, M. Bonnefoy, M.E. Naud, Michael C. Liu, P. Delorme, T. Dupuy, T. Forveille, X. Delfosse

arxiv:1703.00843 v1 · 2017-03-02 · astro-ph.SR · 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{FKGUURUBRTO5IZSGBFV7Y6NFVT}

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	2026-05-18T00:42:01.707669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a8d4a46818cddd46646096bfc79a5acfd3ef91338ce6662fc6125d44b3b6ed4

Aliases

arxiv: 1703.00843 · arxiv_version: 1703.00843v1 · doi: 10.48550/arxiv.1703.00843 · pith_short_12: FKGUURUBRTO5 · pith_short_16: FKGUURUBRTO5IZSG · pith_short_8: FKGUURUB

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/FKGUURUBRTO5IZSGBFV7Y6NFVT \
  | 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: 2a8d4a46818cddd46646096bfc79a5acfd3ef91338ce6662fc6125d44b3b6ed4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33ba346f638920b272b747d9204d227ff2b00b0ed22c50b4145b51c7064e8a69",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-03-02T16:08:37Z",
    "title_canon_sha256": "c189eea527472f6dc9c6d415dd015d29329f0bcd9fbb43de9b2d4f3ab46d0a2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00843",
    "kind": "arxiv",
    "version": 1
  }
}