Pith Number

pith:FG6KFPHN

pith:2013:FG6KFPHN67ZYMCUWVKK6QLZCZK

not attested not anchored not stored refs pending

Dimensional reduction in the sky

Giovanni Amelino-Camelia, Giulia Gubitosi, Joao Magueijo, Michele Arzano

arxiv:1305.3153 v1 · 2013-05-14 · gr-qc · astro-ph.CO · 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{FG6KFPHN67ZYMCUWVKK6QLZCZK}

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	2026-05-18T01:50:02.259083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29bca2bcedf7f3860a96aa95e82f22cab3e38818253a10764b70012e4540012e

Aliases

arxiv: 1305.3153 · arxiv_version: 1305.3153v1 · doi: 10.48550/arxiv.1305.3153 · pith_short_12: FG6KFPHN67ZY · pith_short_16: FG6KFPHN67ZYMCUW · pith_short_8: FG6KFPHN

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/FG6KFPHN67ZYMCUWVKK6QLZCZK \
  | 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: 29bca2bcedf7f3860a96aa95e82f22cab3e38818253a10764b70012e4540012e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ed916aaf0b5500bd4d82e04069e8a7ac6044dc0edee01059f0446be34d3f8b1",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-05-14T13:33:07Z",
    "title_canon_sha256": "e20fc144f5bd6bc913c8019c26b78d4b7c8cbdb306eb09fc2d7991146468cced"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3153",
    "kind": "arxiv",
    "version": 1
  }
}