Pith Number

pith:FO2TF3IA

pith:2013:FO2TF3IAGIROE3JPPVSTGHOR77

not attested not anchored not stored refs pending

Gravity induced from quantum spacetime

Edwin Beggs, Shahn Majid

arxiv:1305.2403 v4 · 2013-05-10 · gr-qc · hep-th · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FO2TF3IAGIROE3JPPVSTGHOR77}

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	2026-05-18T01:50:03.553482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bb532ed003222e26d2f7d65331dd1ffe192194e076a094498bcc3d61b03ddf4

Aliases

arxiv: 1305.2403 · arxiv_version: 1305.2403v4 · doi: 10.48550/arxiv.1305.2403 · pith_short_12: FO2TF3IAGIRO · pith_short_16: FO2TF3IAGIROE3JP · pith_short_8: FO2TF3IA

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/FO2TF3IAGIROE3JPPVSTGHOR77 \
  | 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: 2bb532ed003222e26d2f7d65331dd1ffe192194e076a094498bcc3d61b03ddf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e1e697de8421763486c6561b8ef05539fe227e86d0ae319329abca33152df7f",
    "cross_cats_sorted": [
      "hep-th",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-05-10T18:29:49Z",
    "title_canon_sha256": "3f8225d72c6588b7924c737fe17f9c3b565ba31569e8cf08687953ced0b30990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2403",
    "kind": "arxiv",
    "version": 4
  }
}