Pith Number

pith:FFHFQUXM

pith:2015:FFHFQUXM5EWZIP23RBXRBBHGVZ

not attested not anchored not stored refs pending

A submillimeter search for pre- and proto-brown dwarfs in Chamaeleon II

A. Bayo, Aina Palau, B. Merin, C. Eiroa, D. Barrado, H. Bouy, I. de Gregorio-Monsalvo, M. Morales-Calderon, N. Huelamo, O. Morata

arxiv:1512.00418 v1 · 2015-12-01 · 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{FFHFQUXM5EWZIP23RBXRBBHGVZ}

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	2026-05-18T01:14:44.588687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

294e5852ece92d943f5b886f1084e6ae42d8bb9c7f6c18d47e3550405e9369f1

Aliases

arxiv: 1512.00418 · arxiv_version: 1512.00418v1 · doi: 10.48550/arxiv.1512.00418 · pith_short_12: FFHFQUXM5EWZ · pith_short_16: FFHFQUXM5EWZIP23 · pith_short_8: FFHFQUXM

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/FFHFQUXM5EWZIP23RBXRBBHGVZ \
  | 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: 294e5852ece92d943f5b886f1084e6ae42d8bb9c7f6c18d47e3550405e9369f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbbca85ed6cae7d63f0207548b41b8ae78e3e238f5a2f56983ae67ecd13d069f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-01T20:15:19Z",
    "title_canon_sha256": "4c6cd74624ba7e64d1ca078e030f62babb49888d74e4c45ef43a234623ba680c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00418",
    "kind": "arxiv",
    "version": 1
  }
}