Pith Number

pith:XIS56CPN

pith:2014:XIS56CPN32GBTPX6JBV4ZQRC3N

not attested not anchored not stored refs pending

Commuting symplectomorphisms and Dehn twists in divisors

Dmitry Tonkonog

arxiv:1405.4563 v2 · 2014-05-18 · 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{XIS56CPN32GBTPX6JBV4ZQRC3N}

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	2026-05-18T01:13:05.207825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba25df09edde8c19befe486bccc222db6976a4dfe2ab715c1be28d0632875b2a

Aliases

arxiv: 1405.4563 · arxiv_version: 1405.4563v2 · doi: 10.48550/arxiv.1405.4563 · pith_short_12: XIS56CPN32GB · pith_short_16: XIS56CPN32GBTPX6 · pith_short_8: XIS56CPN

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/XIS56CPN32GBTPX6JBV4ZQRC3N \
  | 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: ba25df09edde8c19befe486bccc222db6976a4dfe2ab715c1be28d0632875b2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "898360d4193dbaab706db0300263dc8b939c35368fb01f6d479fc344c8d06e82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-05-18T23:03:38Z",
    "title_canon_sha256": "b0e89dd4b200ff50207a4308e125270b264415dba1b3f3b3e9ec87621cb7c4da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4563",
    "kind": "arxiv",
    "version": 2
  }
}