Pith Number

pith:NQI73LHC

pith:2015:NQI73LHCWXYBXKOIRCRH3LBACF

not attested not anchored not stored refs pending

Hyperinstantons, the Beltrami Equation, and Triholomorphic Maps

A.S. Sorin, P.A. Grassi, P. Fr\'e

arxiv:1509.09056 v1 · 2015-09-30 · 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{NQI73LHCWXYBXKOIRCRH3LBACF}

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	2026-05-18T00:54:41.332208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c11fdace2b5f01ba9c888a27dac201169c75508456368d4718f41e3580136ba

Aliases

arxiv: 1509.09056 · arxiv_version: 1509.09056v1 · doi: 10.48550/arxiv.1509.09056 · pith_short_12: NQI73LHCWXYB · pith_short_16: NQI73LHCWXYBXKOI · pith_short_8: NQI73LHC

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/NQI73LHCWXYBXKOIRCRH3LBACF \
  | 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: 6c11fdace2b5f01ba9c888a27dac201169c75508456368d4718f41e3580136ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61a54174495469df3e3e3b64004a361175dafa76b2b4246092bc6a582925af77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-09-30T08:12:38Z",
    "title_canon_sha256": "bc1fb0b888a19a8b02095d193c65a200d4abe2c7fc080b3678d382566745dfc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.09056",
    "kind": "arxiv",
    "version": 1
  }
}