Pith Number

pith:IFZP2TFT

pith:2011:IFZP2TFTVVTRG6UGF2YR4SXCMS

not attested not anchored not stored refs pending

Extrinsic curvature effects in brane-world scenarios

Edwin Langmann, Martin Sundin

arxiv:1103.3230 v2 · 2011-03-16 · 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{IFZP2TFTVVTRG6UGF2YR4SXCMS}

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	2026-05-18T04:25:25.444065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4172fd4cb3ad67137a862eb11e4ae264b23ddb7179730f5f2cae6eaf75db01d8

Aliases

arxiv: 1103.3230 · arxiv_version: 1103.3230v2 · doi: 10.48550/arxiv.1103.3230 · pith_short_12: IFZP2TFTVVTR · pith_short_16: IFZP2TFTVVTRG6UG · pith_short_8: IFZP2TFT

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/IFZP2TFTVVTRG6UGF2YR4SXCMS \
  | 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: 4172fd4cb3ad67137a862eb11e4ae264b23ddb7179730f5f2cae6eaf75db01d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "511f47d2c3310ac049110e8ace59684e4c8bc15e19292d732f529dc68f0d5e17",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-03-16T16:57:52Z",
    "title_canon_sha256": "f1b5a5d241f1aba013111bcf054139da27c056f02642af49de20ec29dd0d3119"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3230",
    "kind": "arxiv",
    "version": 2
  }
}