Pith Number

pith:R7HG7YGV

pith:2011:R7HG7YGVSXFGHSHO4RPISCKZ5W

not attested not anchored not stored refs pending

The relation between Geometry and Matter in classical and quantum Gravity and Cosmology

Daniele Regoli

arxiv:1104.2910 v2 · 2011-04-14 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7HG7YGVSXFGHSHO4RPISCKZ5W}

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	2026-05-18T02:22:09.059592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fce6fe0d595ca63c8eee45e890959edaba2b2f2083e6b111e7f26d1e0de6b2a

Aliases

arxiv: 1104.2910 · arxiv_version: 1104.2910v2 · doi: 10.48550/arxiv.1104.2910 · pith_short_12: R7HG7YGVSXFG · pith_short_16: R7HG7YGVSXFGHSHO · pith_short_8: R7HG7YGV

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/R7HG7YGVSXFGHSHO4RPISCKZ5W \
  | 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: 8fce6fe0d595ca63c8eee45e890959edaba2b2f2083e6b111e7f26d1e0de6b2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96db19ff08e0f643fd35fc89638cd0d4d426f10d8ff353db8112219cab2988c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-04-14T20:08:44Z",
    "title_canon_sha256": "ae4775b8acbda29220e026bdc07bb06404dc8d722a8cf0816a98af070ee325d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2910",
    "kind": "arxiv",
    "version": 2
  }
}