Pith Number

pith:72YKU7OS

pith:2026:72YKU7OS75VRLTMU3KKTBJYYXY

not attested not anchored not stored refs pending

Bumpy horizons from non-linear sigma models

Carla Henr\'{\i}quez-B\'aez, Fabrizio Canfora, Julio Oliva, Nicol\'as Grandi

arxiv:2608.07736 v1 · 2026-08-07 · hep-th · 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{72YKU7OS75VRLTMU3KKTBJYYXY}

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	2026-08-11T00:15:49.756068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feb0aa7dd2ff6b15cd94da9530a718be0d0925dcdddf60c5ddb359da359ae9ad

Aliases

arxiv: 2608.07736 · arxiv_version: 2608.07736v1 · doi: 10.48550/arxiv.2608.07736 · pith_short_12: 72YKU7OS75VR · pith_short_16: 72YKU7OS75VRLTMU · pith_short_8: 72YKU7OS

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/72YKU7OS75VRLTMU3KKTBJYYXY \
  | 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: feb0aa7dd2ff6b15cd94da9530a718be0d0925dcdddf60c5ddb359da359ae9ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb20bdc12690949ba6e98b0abdda2884411cdca4dd08fa62d31f4caddfacb51c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2026-08-07T19:57:29Z",
    "title_canon_sha256": "c3d86a294ddf0a5e0d79e9dbf2d94293d9a38558430d89ab37b8635829ed72f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07736",
    "kind": "arxiv",
    "version": 1
  }
}