Pith Number

pith:X4BIRXXR

pith:2022:X4BIRXXRNHIKRLLUPSXTPUUK73

not attested not anchored not stored refs pending

Towards black hole entropy in chiral loop quantum supergravity

Hanno Sahlmann, Konstantin Eder

arxiv:2204.01661 v1 · 2022-04-04 · 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{X4BIRXXRNHIKRLLUPSXTPUUK73}

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	2026-07-05T04:41:36.638120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf0288def169d0a8ad747caf37d28afee8e416d5c990181c72b56048235ffe79

Aliases

arxiv: 2204.01661 · arxiv_version: 2204.01661v1 · doi: 10.48550/arxiv.2204.01661 · pith_short_12: X4BIRXXRNHIK · pith_short_16: X4BIRXXRNHIKRLLU · pith_short_8: X4BIRXXR

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/X4BIRXXRNHIKRLLUPSXTPUUK73 \
  | 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: bf0288def169d0a8ad747caf37d28afee8e416d5c990181c72b56048235ffe79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "399c91fdb8783b9710e5a6451285b154190c125132f2b24db9e1b7fb5d78b3de",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-04-04T17:19:51Z",
    "title_canon_sha256": "abc350eaff9ab9d428599f5da2515925dd6842f06b01f2f4987a9a970a14261d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.01661",
    "kind": "arxiv",
    "version": 1
  }
}