Pith Number

pith:RRV7PAVV

pith:2020:RRV7PAVVLE2KAFAXZV2S7RNPZX

not attested not anchored not stored refs pending

Algebraically unrealizable complex orientations of plane real pseudoholomorphic curves

S. Yu. Orevkov

arxiv:2010.09130 v3 · 2020-10-18 · math.AG · math.SG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RRV7PAVVLE2KAFAXZV2S7RNPZX}

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	2026-07-05T09:42:16.543287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c6bf782b55934a01417cd752fc5afcdfc1eed32ba8dc88bb137d5e152542332

Aliases

arxiv: 2010.09130 · arxiv_version: 2010.09130v3 · doi: 10.48550/arxiv.2010.09130 · pith_short_12: RRV7PAVVLE2K · pith_short_16: RRV7PAVVLE2KAFAX · pith_short_8: RRV7PAVV

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/RRV7PAVVLE2KAFAXZV2S7RNPZX \
  | 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: 8c6bf782b55934a01417cd752fc5afcdfc1eed32ba8dc88bb137d5e152542332

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76250cff1f043d10a368657d3e5c7f1f841505589b6a36ee8c6d6242d11d7a25",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-10-18T22:51:31Z",
    "title_canon_sha256": "aa170092efb351750e2b1c23172e8ac4c7efcdc1aa8916d73fa87dc430f5d335"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.09130",
    "kind": "arxiv",
    "version": 3
  }
}