Pith Number

pith:BQA4DUIQ

pith:2018:BQA4DUIQBLQKHILUEFMEC3P563

not attested not anchored not stored refs pending

Search for Nearby Ultracool Compact Binaries in Gaia DR2

D. V. Denisenko, I. Larin

arxiv:1807.04574 v1 · 2018-07-12 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T00:10:53.066451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c01c1d1100ae0a3a1742158416dfdf6d7b9d7b2daa2afc9ee649b0abb9f91cb

Aliases

arxiv: 1807.04574 · arxiv_version: 1807.04574v1 · doi: 10.48550/arxiv.1807.04574 · pith_short_12: BQA4DUIQBLQK · pith_short_16: BQA4DUIQBLQKHILU · pith_short_8: BQA4DUIQ

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/BQA4DUIQBLQKHILUEFMEC3P563 \
  | 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: 0c01c1d1100ae0a3a1742158416dfdf6d7b9d7b2daa2afc9ee649b0abb9f91cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e84c40ca32be3038568f371c39e34a3f7af31cf46b6f78ea0a271c38d197802e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-12T12:36:25Z",
    "title_canon_sha256": "bda002aff1a60178229ad23f48cb2bfd431a7066f42a8b2057dcfeac4bbc3cfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04574",
    "kind": "arxiv",
    "version": 1
  }
}