Pith Number

pith:6A6S3EKQ

pith:2012:6A6S3EKQFZK5YY2AKATRCPL3IY

not attested not anchored not stored refs pending

The orientability problem in open Gromov-Witten theory

Penka Georgieva

arxiv:1207.5471 v1 · 2012-07-23 · math.SG · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6A6S3EKQFZK5YY2AKATRCPL3IY}

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	2026-05-18T02:38:17.705189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f03d2d91502e55dc63405027113d7b46031ce2c541940f8b815a4b380e19e0f0

Aliases

arxiv: 1207.5471 · arxiv_version: 1207.5471v1 · doi: 10.48550/arxiv.1207.5471 · pith_short_12: 6A6S3EKQFZK5 · pith_short_16: 6A6S3EKQFZK5YY2A · pith_short_8: 6A6S3EKQ

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/6A6S3EKQFZK5YY2AKATRCPL3IY \
  | 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: f03d2d91502e55dc63405027113d7b46031ce2c541940f8b815a4b380e19e0f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "358df2af9e84f068c93c10c1e2b6c1134f24177360d0bdf1674dab740b885eb3",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2012-07-23T18:14:09Z",
    "title_canon_sha256": "03311ad4557bb26db3a34ae7d351a40353412ba459ad23de590a504cdfe9d5b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5471",
    "kind": "arxiv",
    "version": 1
  }
}