Pith Number

pith:OPGYTZ5O

pith:2009:OPGYTZ5OSJMCERJ4NMLVA7XONJ

not attested not anchored not stored refs pending

Vortices as Instantons in Noncommutative Discrete Space: Use of $Z_{2}$ Coordinates

Hideharu Otsu, Hitoshi Ikemori, Shinsaku Kitakado, Toshiro Sato

arxiv:0904.1848 v2 · 2009-04-12 · 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{OPGYTZ5OSJMCERJ4NMLVA7XONJ}

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	2026-05-18T02:34:59.805910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73cd89e7ae925822453c6b17507eee6a709408fd16bdd8d0b152b5b1195a0eba

Aliases

arxiv: 0904.1848 · arxiv_version: 0904.1848v2 · doi: 10.48550/arxiv.0904.1848 · pith_short_12: OPGYTZ5OSJMC · pith_short_16: OPGYTZ5OSJMCERJ4 · pith_short_8: OPGYTZ5O

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/OPGYTZ5OSJMCERJ4NMLVA7XONJ \
  | 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: 73cd89e7ae925822453c6b17507eee6a709408fd16bdd8d0b152b5b1195a0eba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9718e8336729f1d642165b19931db68dfd28a6404a589c3bf12019081b16ea8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-04-12T08:54:29Z",
    "title_canon_sha256": "5cf60dfd724aad3ff5d0f23d027d85fa9465469c8844e2332d791055494d0b2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1848",
    "kind": "arxiv",
    "version": 2
  }
}