Pith Number

pith:K4OOPS56

pith:2015:K4OOPS56K4WW4D6VEU4SLKJOSV

not attested not anchored not stored refs pending

Investigation of the Spinfoam Path integral with Quantum Cuboid Intertwiners

Benjamin Bahr, Sebastian Steinhaus

arxiv:1508.07961 v2 · 2015-08-31 · 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{K4OOPS56K4WW4D6VEU4SLKJOSV}

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	2026-05-18T01:14:03.497915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

571ce7cbbe572d6e0fd5253925a92e95743f710d505d9af5b5672ff070b91bd3

Aliases

arxiv: 1508.07961 · arxiv_version: 1508.07961v2 · doi: 10.48550/arxiv.1508.07961 · pith_short_12: K4OOPS56K4WW · pith_short_16: K4OOPS56K4WW4D6V · pith_short_8: K4OOPS56

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/K4OOPS56K4WW4D6VEU4SLKJOSV \
  | 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: 571ce7cbbe572d6e0fd5253925a92e95743f710d505d9af5b5672ff070b91bd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8d9fc480563aef07b92cc17f5b54e97857b4c6897fb54db4c0a5581ab08d20e",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-08-31T18:59:49Z",
    "title_canon_sha256": "df0f142d55b586b8c5d6777cc532155882e6fb1825a9319a2ef0d404270660fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07961",
    "kind": "arxiv",
    "version": 2
  }
}