Pith Number

pith:QVEWTGHM

pith:2018:QVEWTGHMGSTPR6STQV6AL2EW3T

not attested not anchored not stored refs pending

Emergent 4-dimensional linearized gravity from spin foam model

Antonia Zipfel, Muxin Han, Zichang Huang

arxiv:1812.02110 v2 · 2018-12-05 · gr-qc · cond-mat.str-el · 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{QVEWTGHMGSTPR6STQV6AL2EW3T}

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	2026-07-04T23:51:37.758037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85496998ec34a6f8fa53857c05e896dcdfc0b82132b93acc6077d4300e0f1c28

Aliases

arxiv: 1812.02110 · arxiv_version: 1812.02110v2 · doi: 10.48550/arxiv.1812.02110 · pith_short_12: QVEWTGHMGSTP · pith_short_16: QVEWTGHMGSTPR6ST · pith_short_8: QVEWTGHM

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/QVEWTGHMGSTPR6STQV6AL2EW3T \
  | 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: 85496998ec34a6f8fa53857c05e896dcdfc0b82132b93acc6077d4300e0f1c28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c11dbc8da2cc342cb32748d4440e8f76d68552021e0d5acc8e54367976c747ff",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-12-05T17:00:09Z",
    "title_canon_sha256": "27a5b9f845301ae41802e1f6ebfee81788f5892c4dd491e40d0b1a79beef6722"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02110",
    "kind": "arxiv",
    "version": 2
  }
}