Pith Number

pith:5XBNUFL3

pith:2013:5XBNUFL37S6XK6TOIXLDXTO677

not attested not anchored not stored refs pending

Freezing Out Early Dark Energy

Jannis Bielefeld, Olivier Dore, Robert R. Caldwell, W. L. Kimmy Wu

arxiv:1305.2209 v1 · 2013-05-09 · astro-ph.CO · gr-qc

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	2026-05-18T03:07:23.367766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edc2da157bfcbd757a6e45d63bcddeffffe781425a3731077b90493db5b5bd99

Aliases

arxiv: 1305.2209 · arxiv_version: 1305.2209v1 · doi: 10.48550/arxiv.1305.2209 · pith_short_12: 5XBNUFL37S6X · pith_short_16: 5XBNUFL37S6XK6TO · pith_short_8: 5XBNUFL3

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/5XBNUFL37S6XK6TOIXLDXTO677 \
  | 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: edc2da157bfcbd757a6e45d63bcddeffffe781425a3731077b90493db5b5bd99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "794ddfea0a24e0d5228d2416ccd2085f96efbfca68af4c5f8f5d077bffcb5507",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-09T20:26:58Z",
    "title_canon_sha256": "96884eee7bc5961df01ab008bd323f55d7fb9832916cad56d20433c80809d6a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2209",
    "kind": "arxiv",
    "version": 1
  }
}