Pith Number

pith:SRR6WGND

pith:2019:SRR6WGNDHOLO6SCLEBOAFHOV4K

not attested not anchored not stored refs pending

An example of Mirror Symmetry for Fano threefolds

Andrea Petracci

arxiv:1901.06155 v1 · 2019-01-18 · 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{SRR6WGNDHOLO6SCLEBOAFHOV4K}

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	2026-05-17T23:56:04.399795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9463eb19a33b96ef484b205c029dd5e293b2fdd98afb100bd60b1f39edf0c7a3

Aliases

arxiv: 1901.06155 · arxiv_version: 1901.06155v1 · doi: 10.48550/arxiv.1901.06155 · pith_short_12: SRR6WGNDHOLO · pith_short_16: SRR6WGNDHOLO6SCL · pith_short_8: SRR6WGND

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/SRR6WGNDHOLO6SCLEBOAFHOV4K \
  | 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: 9463eb19a33b96ef484b205c029dd5e293b2fdd98afb100bd60b1f39edf0c7a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "138a628b6ad8f2424d00760d49c7067ba7babd12eaf29c2dddfc74981b4031c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-01-18T09:57:56Z",
    "title_canon_sha256": "8776a8b3a2d08558302f52f2f2d75149ee0e5b1b1831388775cb74b5b99d81fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06155",
    "kind": "arxiv",
    "version": 1
  }
}