Pith Number

pith:I2JGADJH

pith:2003:I2JGADJHNDOEPAX7U2YRQRF4J4

not attested not anchored not stored refs pending

(2+1)-dimensional quantum gravity, spin networks and asymptotics

J.Manuel Garcia-Islas

arxiv:gr-qc/0307054 v1 · 2003-07-10 · 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{I2JGADJHNDOEPAX7U2YRQRF4J4}

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	2026-07-04T16:40:14.929839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4692600d2768dc4782ffa6b11844bc4f0673a47e902a60a4d2304692a6cfba4b

Aliases

arxiv: gr-qc/0307054 · arxiv_version: gr-qc/0307054v1 · doi: 10.48550/arxiv.gr-qc/0307054 · pith_short_12: I2JGADJHNDOE · pith_short_16: I2JGADJHNDOEPAX7 · pith_short_8: I2JGADJH

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/I2JGADJHNDOEPAX7U2YRQRF4J4 \
  | 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: 4692600d2768dc4782ffa6b11844bc4f0673a47e902a60a4d2304692a6cfba4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cce64c1a7b6f72de3d1182632bc58b2e22f540795dc1ec82527735280474bf5a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2003-07-10T17:27:00Z",
    "title_canon_sha256": "76d8e80a554ce3d39e857a4696ee0710376c94a6b0e6b1502ca127319cd29cde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0307054",
    "kind": "arxiv",
    "version": 1
  }
}