Pith Number

pith:L2GQOVZK

pith:2015:L2GQOVZKOBG2S2T737CPOEQQVA

not attested not anchored not stored refs pending

The First Science Results from SPHERE: Disproving the Predicted Brown Dwarf around V471 Tau

A. Bayo, A. Hardy, C. Caceres, D. Mawet, G. Retamales, H.Canovas, L. Cieza, M.C.P. Bours, M.R. Schreiber, S.G. Parsons, T.R. Marsh, V.S. Dhillon, Z. Wahhaj

arxiv:1502.05116 v1 · 2015-02-18 · astro-ph.EP · 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{L2GQOVZKOBG2S2T737CPOEQQVA}

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	2026-05-18T01:41:01.026945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e8d07572a704da96a7fdfc4f71210a81fb4a0830bda0c99cb12fd97198e69b6

Aliases

arxiv: 1502.05116 · arxiv_version: 1502.05116v1 · doi: 10.48550/arxiv.1502.05116 · pith_short_12: L2GQOVZKOBG2 · pith_short_16: L2GQOVZKOBG2S2T7 · pith_short_8: L2GQOVZK

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/L2GQOVZKOBG2S2T737CPOEQQVA \
  | 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: 5e8d07572a704da96a7fdfc4f71210a81fb4a0830bda0c99cb12fd97198e69b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00b8eb0fd0f577c17fef8c2d925f24c1b86f71a7a63286fdcbe368df728c65a5",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-02-18T05:00:53Z",
    "title_canon_sha256": "d8e68eb25d183fd7b7291e6144f625507a34a1024f61531477a2476ccdf387b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05116",
    "kind": "arxiv",
    "version": 1
  }
}