Pith Number

pith:R3DW4VDE

pith:2001:R3DW4VDEMMQRZFYJ522GTNXU6U

not attested not anchored not stored refs pending

Spin Foam Models of Matter Coupled to Gravity

A. Mikovic

arxiv:hep-th/0108099 v2 · 2001-08-14 · 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{R3DW4VDEMMQRZFYJ522GTNXU6U}

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

(2+1) Lorentzian quantum cosmology from spin-foams: opportunities and obstacles for semi-classicality

Receipt and verification

First computed	2026-07-04T15:36:20.738230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ec76e546463211c9709eeb469b6f4f526eb634cfbffc7377b70c1d7e14a4347

Aliases

arxiv: hep-th/0108099 · arxiv_version: hep-th/0108099v2 · doi: 10.48550/arxiv.hep-th/0108099 · pith_short_12: R3DW4VDEMMQR · pith_short_16: R3DW4VDEMMQRZFYJ · pith_short_8: R3DW4VDE

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/R3DW4VDEMMQRZFYJ522GTNXU6U \
  | 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: 8ec76e546463211c9709eeb469b6f4f526eb634cfbffc7377b70c1d7e14a4347

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b5d81078da4c5adfd75e5d981840ec9225a60675488d9bcbdf4c85377145cac",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-08-14T15:16:17Z",
    "title_canon_sha256": "d186d6f483a48de7605318ab907936db77d594ce86399476bbb8d409bd731550"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0108099",
    "kind": "arxiv",
    "version": 2
  }
}