Pith Number

pith:2RTIYKR7

pith:2013:2RTIYKR7CIUNDZRWWAS7TJEKQF

not attested not anchored not stored refs pending

Zwei-Dreibein Gravity

Eric A. Bergshoeff, Olaf Hohm, Paul K. Townsend, Sjoerd de Haan, Wout Merbis

arxiv:1307.2774 v3 · 2013-07-10 · 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{2RTIYKR7CIUNDZRWWAS7TJEKQF}

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	2026-05-18T03:04:24.070099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4668c2a3f1228d1e636b025f9a48a8142b1a8c8907fb50d2e136bf536a4a75c

Aliases

arxiv: 1307.2774 · arxiv_version: 1307.2774v3 · doi: 10.48550/arxiv.1307.2774 · pith_short_12: 2RTIYKR7CIUN · pith_short_16: 2RTIYKR7CIUNDZRW · pith_short_8: 2RTIYKR7

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/2RTIYKR7CIUNDZRWWAS7TJEKQF \
  | 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: d4668c2a3f1228d1e636b025f9a48a8142b1a8c8907fb50d2e136bf536a4a75c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "204d1fed8a3b0c5fc5351cd38e249e370ff847ec07cb628a4de2bc4269cbc8e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-07-10T12:40:40Z",
    "title_canon_sha256": "74702e4840a56d44c9a2a66308e354119a78378962490847fdc7ff18ae92225a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2774",
    "kind": "arxiv",
    "version": 3
  }
}