Pith Number

pith:4OXW5BMS

pith:2017:4OXW5BMS5K6LEQLJWSUI7H3IXS

not attested not anchored not stored refs pending

Instantons on Calabi-Yau and hyper-K\"ahler cones

Jakob C. Geipel, Marcus Sperling

arxiv:1709.01944 v2 · 2017-09-06 · 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{4OXW5BMS5K6LEQLJWSUI7H3IXS}

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	2026-05-18T00:27:04.473522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3af6e8592eabcb24169b4a88f9f68bc9e034603bfd96db6fbb9e1a53c6690ac

Aliases

arxiv: 1709.01944 · arxiv_version: 1709.01944v2 · doi: 10.48550/arxiv.1709.01944 · pith_short_12: 4OXW5BMS5K6L · pith_short_16: 4OXW5BMS5K6LEQLJ · pith_short_8: 4OXW5BMS

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/4OXW5BMS5K6LEQLJWSUI7H3IXS \
  | 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: e3af6e8592eabcb24169b4a88f9f68bc9e034603bfd96db6fbb9e1a53c6690ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "027dae12d079b5da2d6c96f9016d21f9104a2ceebe0e491b446b962dd3876da2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-09-06T18:01:01Z",
    "title_canon_sha256": "2c95b46137005094d6f8415d005bc4a61bbaa2084c3eca9beea799933d213372"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01944",
    "kind": "arxiv",
    "version": 2
  }
}