Pith Number

pith:YDI2HKH4

pith:2013:YDI2HKH4GKPQVDOTCGFUH4PSEN

not attested not anchored not stored refs pending

A 2D field theory equivalent to 3D gravity with no cosmological constant

Andr\'es Gomberoff, Glenn Barnich, Hern\'an A. Gonz\'alez

arxiv:1303.3568 v1 · 2013-03-14 · 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{YDI2HKH4GKPQVDOTCGFUH4PSEN}

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	2026-05-18T03:30:54.199661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0d1a3a8fc329f0a8dd3118b43f1f2235fc2235adf6b3c19f4fac6463bc77712

Aliases

arxiv: 1303.3568 · arxiv_version: 1303.3568v1 · doi: 10.48550/arxiv.1303.3568 · pith_short_12: YDI2HKH4GKPQ · pith_short_16: YDI2HKH4GKPQVDOT · pith_short_8: YDI2HKH4

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/YDI2HKH4GKPQVDOTCGFUH4PSEN \
  | 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: c0d1a3a8fc329f0a8dd3118b43f1f2235fc2235adf6b3c19f4fac6463bc77712

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef39ebbbbc0ab10fd22a8f1afdb9b065deb572799edf0bac5fe4d0bcfc515916",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-14T19:37:08Z",
    "title_canon_sha256": "a4e083cb556b5ccea6f4e21d95b433711d9a12cdd9b73385a3ffd4f4fd00f2a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3568",
    "kind": "arxiv",
    "version": 1
  }
}