Pith Number

pith:UJZJLZYY

pith:2024:UJZJLZYY6P4IIVEM2GW7KYCF4X

not attested not anchored not stored refs pending

Partial absence of cosine problem in 3d Lorentzian spin foams

Alexander F. Jercher, Jos\'e Diogo Sim\~ao, Sebastian Steinhaus

arxiv:2404.16943 v1 · 2024-04-25 · 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{UJZJLZYY6P4IIVEM2GW7KYCF4X}

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

Toller matrices and the Feynman $i\varepsilon$ in spinfoams

Receipt and verification

First computed	2026-07-05T10:02:45.779483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a27295e718f3f884548cd1adf56045e5cecabcc5c1a57c4e49e3fd4e692aedf2

Aliases

arxiv: 2404.16943 · arxiv_version: 2404.16943v1 · doi: 10.48550/arxiv.2404.16943 · pith_short_12: UJZJLZYY6P4I · pith_short_16: UJZJLZYY6P4IIVEM · pith_short_8: UJZJLZYY

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/UJZJLZYY6P4IIVEM2GW7KYCF4X \
  | 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: a27295e718f3f884548cd1adf56045e5cecabcc5c1a57c4e49e3fd4e692aedf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97071667775c5ddbcbb97688a23176621c0f400ad6440d967e9fcb7744df2a33",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-04-25T18:00:19Z",
    "title_canon_sha256": "2321bcd8a5147addde9e42c756cfb3e07a0ad5e1fc599e80c54968dccce56054"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.16943",
    "kind": "arxiv",
    "version": 1
  }
}