Pith Number

pith:PMELPZ6U

pith:2013:PMELPZ6UWLO4PRVZYF35F6QHRI

not attested not anchored not stored refs pending

Massive neutral particles on heterotic string theory

J. R. Villanueva, Marco Olivares

arxiv:1311.4236 v2 · 2013-11-18 · 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{PMELPZ6UWLO4PRVZYF35F6QHRI}

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	2026-05-18T03:05:27.718874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b08b7e7d4b2ddc7c6b9c177d2fa078a26253f60168624d10d80ff296421d2b8

Aliases

arxiv: 1311.4236 · arxiv_version: 1311.4236v2 · doi: 10.48550/arxiv.1311.4236 · pith_short_12: PMELPZ6UWLO4 · pith_short_16: PMELPZ6UWLO4PRVZ · pith_short_8: PMELPZ6U

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/PMELPZ6UWLO4PRVZYF35F6QHRI \
  | 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: 7b08b7e7d4b2ddc7c6b9c177d2fa078a26253f60168624d10d80ff296421d2b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7645ff276b05acbc868853ac807aeebbe9d216ea368e1e8d1352795777b6878",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-11-18T00:55:30Z",
    "title_canon_sha256": "5bed9fe50caaae4f97325040e7f2084a6c26612f0716c117954a14a54e48cb49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4236",
    "kind": "arxiv",
    "version": 2
  }
}