Pith Number

pith:KFFN3CTM

pith:2024:KFFN3CTMVS3CFCFK3HAAVJBOIH

not attested not anchored not stored refs pending

Spinfoam Models for Quantum Gravity: Overview

Etera R. Livine

arxiv:2403.09364 v2 · 2024-03-14 · 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{KFFN3CTMVS3CFCFK3HAAVJBOIH}

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	2026-07-05T09:57:40.424441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

514add8a6cacb62288aad9c00aa42e41d8f779a31fc9cda74ad1ae16e6b654bb

Aliases

arxiv: 2403.09364 · arxiv_version: 2403.09364v2 · doi: 10.48550/arxiv.2403.09364 · pith_short_12: KFFN3CTMVS3C · pith_short_16: KFFN3CTMVS3CFCFK · pith_short_8: KFFN3CTM

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/KFFN3CTMVS3CFCFK3HAAVJBOIH \
  | 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: 514add8a6cacb62288aad9c00aa42e41d8f779a31fc9cda74ad1ae16e6b654bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae090687b4c41897d1046f7fec771bab4389ba5699be8f349be317d0a5452a28",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-03-14T13:13:47Z",
    "title_canon_sha256": "e5be678567cd9813a1ecdcd23ffc33e8201d14723c393203deed7331adb74d9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.09364",
    "kind": "arxiv",
    "version": 2
  }
}