Pith Number

pith:RHOUPZLX

pith:2001:RHOUPZLXLXDAB24P72RBNU5OWL

not attested not anchored not stored refs pending

Implementing holographic projections in Ponzano--Regge gravity

A. Marzuoli, G. Arcioni, M. Carfora, M. O'Loughlin

arxiv:hep-th/0107112 v2 · 2001-07-12 · hep-th · 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{RHOUPZLXLXDAB24P72RBNU5OWL}

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	2026-05-18T02:36:11.880394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89dd47e5775dc600eb8ffea216d3aeb2f61faf9461b5356bbaabce81b1c4547b

Aliases

arxiv: hep-th/0107112 · arxiv_version: hep-th/0107112v2 · doi: 10.48550/arxiv.hep-th/0107112 · pith_short_12: RHOUPZLXLXDA · pith_short_16: RHOUPZLXLXDAB24P · pith_short_8: RHOUPZLX

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/RHOUPZLXLXDAB24P72RBNU5OWL \
  | 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: 89dd47e5775dc600eb8ffea216d3aeb2f61faf9461b5356bbaabce81b1c4547b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "826f47373ae4b831974bcc1c9a06fbc9e4f1716fbf50c57b6bf9242e2840d1b4",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-07-12T17:43:43Z",
    "title_canon_sha256": "c5b0e360d9e3bd7f9dae86b5a2626b17f9ad2c9bc1a552cbabf8e751f64e2986"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0107112",
    "kind": "arxiv",
    "version": 2
  }
}