Pith Number

pith:RLHQTRNP

pith:2018:RLHQTRNPYCPNHBVPNRVLL4LDPY

not attested not anchored not stored refs pending

Deformation of the EPRL spin foam model by a cosmological constant

Benjamin Bahr, Giovanni Rabuffo

arxiv:1803.01838 v1 · 2018-03-05 · 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{RLHQTRNPYCPNHBVPNRVLL4LDPY}

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	2026-05-18T00:17:38.474592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8acf09c5afc09ed386af6c6ab5f1637e1be7699a7fabdf43c6b05e2294698f84

Aliases

arxiv: 1803.01838 · arxiv_version: 1803.01838v1 · doi: 10.48550/arxiv.1803.01838 · pith_short_12: RLHQTRNPYCPN · pith_short_16: RLHQTRNPYCPNHBVP · pith_short_8: RLHQTRNP

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/RLHQTRNPYCPNHBVPNRVLL4LDPY \
  | 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: 8acf09c5afc09ed386af6c6ab5f1637e1be7699a7fabdf43c6b05e2294698f84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f711ee991d047d133ae52b1efcc31e8a4484f49ce415baa53b0920b43427f2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-03-05T18:59:14Z",
    "title_canon_sha256": "a56d74dca35eb2f1078ef7e8c3203c9c426af3257d380c1bc62fef5776e79f91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01838",
    "kind": "arxiv",
    "version": 1
  }
}