Pith Number

pith:7DHCGDBA

pith:2011:7DHCGDBAXPAAE5CZXSHFL56HLG

not attested not anchored not stored refs pending

Number-Theory Dark Matter

Fuminobu Takahashi, Kazunori Nakayama, Tsutomu T. Yanagida

arxiv:1102.4688 v2 · 2011-02-23 · hep-ph · astro-ph.CO · hep-th

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	2026-05-18T04:22:31.737193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8ce230c20bbc0027459bc8e55f7c759beae2d8c165afddb29b85cfbf13720e0

Aliases

arxiv: 1102.4688 · arxiv_version: 1102.4688v2 · doi: 10.48550/arxiv.1102.4688 · pith_short_12: 7DHCGDBAXPAA · pith_short_16: 7DHCGDBAXPAAE5CZ · pith_short_8: 7DHCGDBA

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/7DHCGDBAXPAAE5CZXSHFL56HLG \
  | 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: f8ce230c20bbc0027459bc8e55f7c759beae2d8c165afddb29b85cfbf13720e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c9434c50a6f83cd0ea68daaa58541c8baef62740c53388c3a7c4d39242378e1",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2011-02-23T08:40:36Z",
    "title_canon_sha256": "b2151453aa3695a97b04901adf7f71af9d4288a225926770b67ee98236825258"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4688",
    "kind": "arxiv",
    "version": 2
  }
}