Pith Number

pith:PXPXVHFV

pith:2001:PXPXVHFV7U76WVL4DJWDEZQKJK

not attested not anchored not stored refs pending

Spacetime geometry from algebra: spin foam models for non-perturbative quantum gravity

Daniele Oriti

arxiv:gr-qc/0106091 v3 · 2001-06-28 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PXPXVHFV7U76WVL4DJWDEZQKJK}

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.

Cited by

1 paper in Pith

The one-loop effective action from the coherent state path integral of loop quantum gravity

Receipt and verification

First computed	2026-05-18T04:28:37.926038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ddf7a9cb5fd3feb557c1a6c32660a4aa699f3477a18cfd028644f4af8b5e4c1

Aliases

arxiv: gr-qc/0106091 · arxiv_version: gr-qc/0106091v3 · doi: 10.48550/arxiv.gr-qc/0106091 · pith_short_12: PXPXVHFV7U76 · pith_short_16: PXPXVHFV7U76WVL4 · pith_short_8: PXPXVHFV

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/PXPXVHFV7U76WVL4DJWDEZQKJK \
  | 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: 7ddf7a9cb5fd3feb557c1a6c32660a4aa699f3477a18cfd028644f4af8b5e4c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "443fcb41e1b44500a4ce20e19ec135d56e9d3ca6c2975ddfd41a601a29cd00ad",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-06-28T15:52:35Z",
    "title_canon_sha256": "560eb173ee6c68b491fce71f8bbf4c1314a6e534c1c3a1df77cd437f21666702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0106091",
    "kind": "arxiv",
    "version": 3
  }
}