pith. sign in
Pith Number

pith:Y7R22PQR

pith:2008:Y7R22PQREUJ2FSFRDPCHMMS7PQ
not attested not anchored not stored refs pending

Summing the Instantons in Half-Twisted Linear Sigma Models

Ilarion V. Melnikov, Jock McOrist

arxiv:0810.0012 v4 · 2008-09-30 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Y7R22PQREUJ2FSFRDPCHMMS7PQ}

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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 2026-05-18T04:30:03.977448Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c7e3ad3e112513a2c8b11bc476325f7c2db6258af6dad6c63ef15d26ac9d26e0

Aliases

arxiv: 0810.0012 · arxiv_version: 0810.0012v4 · doi: 10.48550/arxiv.0810.0012 · pith_short_12: Y7R22PQREUJ2 · pith_short_16: Y7R22PQREUJ2FSFR · pith_short_8: Y7R22PQR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y7R22PQREUJ2FSFRDPCHMMS7PQ \
  | 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: c7e3ad3e112513a2c8b11bc476325f7c2db6258af6dad6c63ef15d26ac9d26e0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c1b14b30b042a3c252c465e7551f13b7e0a51f8fa4d89ed0e2a8e2bbe3a7b6ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-09-30T20:13:22Z",
    "title_canon_sha256": "5f6a03159096c0b2ed71e175abb44034646d9d0bc57124631c9d92d488d2ea27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.0012",
    "kind": "arxiv",
    "version": 4
  }
}