Pith Number

pith:RKMVEJP5

pith:2010:RKMVEJP54LEUEHXB7T7IFVX6JI

not attested not anchored not stored refs pending

Elliptic fibrations on K3 surfaces

Viacheslav V. Nikulin

arxiv:1010.3904 v4 · 2010-10-19 · 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{RKMVEJP54LEUEHXB7T7IFVX6JI}

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	2026-05-18T03:01:22.474443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a995225fde2c9421ee1fcfe82d6fe4a2c9e9d4f88beab49f3fb5fba22906b35

Aliases

arxiv: 1010.3904 · arxiv_version: 1010.3904v4 · doi: 10.48550/arxiv.1010.3904 · pith_short_12: RKMVEJP54LEU · pith_short_16: RKMVEJP54LEUEHXB · pith_short_8: RKMVEJP5

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/RKMVEJP54LEUEHXB7T7IFVX6JI \
  | 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: 8a995225fde2c9421ee1fcfe82d6fe4a2c9e9d4f88beab49f3fb5fba22906b35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2703ce435f96b1de3f6e7efecbc94911eb63bf46c5d120b572f9939bb7e06300",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-10-19T13:32:05Z",
    "title_canon_sha256": "89939e070e1fa2d242c85a936a7065a4708165ed347174f3c8fea53497bf9f16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3904",
    "kind": "arxiv",
    "version": 4
  }
}