Pith Number

pith:5HFP4NQY

pith:2012:5HFP4NQYZMD6QSM3ASEHZMYH4U

not attested not anchored not stored refs pending

Towards Ghost-Free Gravity and Standard Model

V. I. Tkach

arxiv:1204.6523 v4 · 2012-04-29 · hep-th · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5HFP4NQYZMD6QSM3ASEHZMYH4U}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-05-18T01:57:42.584395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9cafe3618cb07e8499b04887cb307e530e81fbcffb945813d30d6b609be8b71

Aliases

arxiv: 1204.6523 · arxiv_version: 1204.6523v4 · doi: 10.48550/arxiv.1204.6523 · pith_short_12: 5HFP4NQYZMD6 · pith_short_16: 5HFP4NQYZMD6QSM3 · pith_short_8: 5HFP4NQY

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/5HFP4NQYZMD6QSM3ASEHZMYH4U \
  | 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: e9cafe3618cb07e8499b04887cb307e530e81fbcffb945813d30d6b609be8b71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8131142c908174e784685220c65e86af09a7d7a8d74847a6d5d3ed1d999b82a6",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-04-29T21:25:58Z",
    "title_canon_sha256": "499b5e4e47a08687a40636db47f49346d58c0710cfd65aa944c007590e8c9dd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6523",
    "kind": "arxiv",
    "version": 4
  }
}