Pith Number

pith:O3CMQ3KL

pith:2018:O3CMQ3KLZ3XT4QOALYA7YWWE3P

not attested not anchored not stored refs pending

New ultra-cool and brown dwarf candidates in Gaia DR2

C. Reyl\'e

arxiv:1809.08244 v2 · 2018-09-21 · 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{O3CMQ3KLZ3XT4QOALYA7YWWE3P}

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	2026-05-17T23:56:41.029847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76c4c86d4bceef3e41c05e01fc5ac4dbebcc01c3f42b7ad9dc6fad989a6402c9

Aliases

arxiv: 1809.08244 · arxiv_version: 1809.08244v2 · doi: 10.48550/arxiv.1809.08244 · pith_short_12: O3CMQ3KLZ3XT · pith_short_16: O3CMQ3KLZ3XT4QOA · pith_short_8: O3CMQ3KL

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/O3CMQ3KLZ3XT4QOALYA7YWWE3P \
  | 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: 76c4c86d4bceef3e41c05e01fc5ac4dbebcc01c3f42b7ad9dc6fad989a6402c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9781a9fd987d80d01295ac988e635985e1cb65c05e2721641d6386847345df9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-21T18:00:02Z",
    "title_canon_sha256": "48955cdde41957dc29a1a66e08c7f5b1b63bf6a3996e4c459387c147775f901f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08244",
    "kind": "arxiv",
    "version": 2
  }
}