Pith Number

pith:3VIDFCGV

pith:2014:3VIDFCGVVMTNSMBVTVNA2MIIQA

not attested not anchored not stored refs pending

A close examination of cosmic microwave background mirror-parity after Planck

Assaf Ben-David, Ely D. Kovetz

arxiv:1403.2104 v2 · 2014-03-09 · astro-ph.CO

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	2026-05-18T02:39:55.591168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd503288d5ab26d930359d5a0d31088028fb6340b29b49334046796dcb33ef99

Aliases

arxiv: 1403.2104 · arxiv_version: 1403.2104v2 · doi: 10.48550/arxiv.1403.2104 · pith_short_12: 3VIDFCGVVMTN · pith_short_16: 3VIDFCGVVMTNSMBV · pith_short_8: 3VIDFCGV

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/3VIDFCGVVMTNSMBVTVNA2MIIQA \
  | 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: dd503288d5ab26d930359d5a0d31088028fb6340b29b49334046796dcb33ef99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1108fbefedd5d53126d9610c9f94c37006ad8e1ce8543eb8e8c5d772d0aa125",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-03-09T21:15:35Z",
    "title_canon_sha256": "56640e1b15956d51f0d84073d81d9f869f9208598f7c33d1564e3b610c296d7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2104",
    "kind": "arxiv",
    "version": 2
  }
}