Pith Number

pith:6ARW6XMH

pith:2013:6ARW6XMH7VIQSBZJYBVJFO6TF7

not attested not anchored not stored refs pending

The measure matters

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

arxiv:1309.3999 v1 · 2013-09-16 · gr-qc · 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{6ARW6XMH7VIQSBZJYBVJFO6TF7}

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	2026-05-18T03:13:11.549908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0236f5d87fd51090729c06a92bbd32fc2c155dedf36684119301236c1b49263

Aliases

arxiv: 1309.3999 · arxiv_version: 1309.3999v1 · doi: 10.48550/arxiv.1309.3999 · pith_short_12: 6ARW6XMH7VIQ · pith_short_16: 6ARW6XMH7VIQSBZJ · pith_short_8: 6ARW6XMH

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/6ARW6XMH7VIQSBZJYBVJFO6TF7 \
  | 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: f0236f5d87fd51090729c06a92bbd32fc2c155dedf36684119301236c1b49263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afa955269c253923ffa7d5b4f558afa3720ca729c2df4f6aa78e58313dec1c10",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-09-16T15:15:23Z",
    "title_canon_sha256": "ffd81a9b2f5cbf676641a6e05465f4bd66d488f95f5a700cb6029f6359cc277f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3999",
    "kind": "arxiv",
    "version": 1
  }
}