Pith Number

pith:SXXFBWST

pith:2019:SXXFBWSTB5EYVBS5PR4QJTWE2H

not attested not anchored not stored refs pending

Mirror symmetry for K3 surfaces

C.J. Bott, Nathan Priddis, Paola Comparin

arxiv:1901.09373 v1 · 2019-01-27 · 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{SXXFBWSTB5EYVBS5PR4QJTWE2H}

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	2026-05-17T23:55:24.967878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95ee50da530f498a865d7c7904cec4d1da8cb59bb3880d2fbeaf13ca8ac13e95

Aliases

arxiv: 1901.09373 · arxiv_version: 1901.09373v1 · doi: 10.48550/arxiv.1901.09373 · pith_short_12: SXXFBWSTB5EY · pith_short_16: SXXFBWSTB5EYVBS5 · pith_short_8: SXXFBWST

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/SXXFBWSTB5EYVBS5PR4QJTWE2H \
  | 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: 95ee50da530f498a865d7c7904cec4d1da8cb59bb3880d2fbeaf13ca8ac13e95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bbd97d5af0e7a3293b1b23d1f99e8900c80c47f636ca6548bc32f40048121a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-01-27T13:33:40Z",
    "title_canon_sha256": "c4e8b94fce168fc770ef56dca3814cf9bc4ab94f912876f4b34e0463b054ad0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09373",
    "kind": "arxiv",
    "version": 1
  }
}