Pith Number

pith:K2X5BO64

pith:2011:K2X5BO64L7ZER6GPRT6QHLZ2CG

not attested not anchored not stored refs pending

A long-lived horseshoe companion to the Earth

Apostolos A. Christou, David J. Asher

arxiv:1104.0036 v1 · 2011-03-31 · astro-ph.EP

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	2026-05-18T02:02:41.838946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56afd0bbdc5ff248f8cf8cfd03af3a11af4d707a075e8d254cc4291ddb5a33b8

Aliases

arxiv: 1104.0036 · arxiv_version: 1104.0036v1 · doi: 10.48550/arxiv.1104.0036 · pith_short_12: K2X5BO64L7ZE · pith_short_16: K2X5BO64L7ZER6GP · pith_short_8: K2X5BO64

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/K2X5BO64L7ZER6GPRT6QHLZ2CG \
  | 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: 56afd0bbdc5ff248f8cf8cfd03af3a11af4d707a075e8d254cc4291ddb5a33b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c17df81bf74c05e9692b5a7bdcf790c82b810b86bbbaec565478421fd2e5de8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-03-31T21:13:07Z",
    "title_canon_sha256": "8af9579b0ef9cc3da1e613217ddb3aa71e4a3856f2e18911f0d372ec0815c4b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0036",
    "kind": "arxiv",
    "version": 1
  }
}