Pith Number

pith:PHQIZV2Z

pith:1996:PHQIZV2ZW4GNKXFRDH7QRUFYYV

not attested not anchored not stored refs pending

The SO(32) Heterotic String on a K3 Surface

Mark Gross, Paul S. Aspinwall

arxiv:hep-th/9605131 v2 · 1996-05-18 · 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{PHQIZV2ZW4GNKXFRDH7QRUFYYV}

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	2026-07-04T23:56:43.879957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79e08cd759b70cd55cb119ff08d0b8c56d5729c24bb59c968aab9d66b0414083

Aliases

arxiv: hep-th/9605131 · arxiv_version: hep-th/9605131v2 · doi: 10.48550/arxiv.hep-th/9605131 · pith_short_12: PHQIZV2ZW4GN · pith_short_16: PHQIZV2ZW4GNKXFR · pith_short_8: PHQIZV2Z

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/PHQIZV2ZW4GNKXFRDH7QRUFYYV \
  | 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: 79e08cd759b70cd55cb119ff08d0b8c56d5729c24bb59c968aab9d66b0414083

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fde0ce392738ab425539cfde3417783daeabda6d506061009ab801a16acfc9f3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1996-05-18T18:53:58Z",
    "title_canon_sha256": "878596e24da70dd54fe8073a15be39fcaa1f5d0411af178d738031c1ca8e597c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9605131",
    "kind": "arxiv",
    "version": 2
  }
}