Pith Number

pith:32N675OS

pith:2014:32N675OSLR37JDLMQUKZ4ETCUS

not attested not anchored not stored refs pending

On the $L^p$-geometry of autonomous Hamiltonian diffeomorphisms of surfaces

Egor Shelukhin, Michael Brandenbursky

arxiv:1405.7931 v2 · 2014-05-30 · math.SG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{32N675OSLR37JDLMQUKZ4ETCUS}

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	2026-05-18T02:49:45.406033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de9beff5d25c77f48d6c85159e1262a49138c2241c4dcb8071dd91d5b5238644

Aliases

arxiv: 1405.7931 · arxiv_version: 1405.7931v2 · doi: 10.48550/arxiv.1405.7931 · pith_short_12: 32N675OSLR37 · pith_short_16: 32N675OSLR37JDLM · pith_short_8: 32N675OS

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/32N675OSLR37JDLMQUKZ4ETCUS \
  | 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: de9beff5d25c77f48d6c85159e1262a49138c2241c4dcb8071dd91d5b5238644

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9307839f02dcdac8ef811cc00fc0bf723e3d958c8f6706e9cf6a48fad3845dba",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-05-30T17:53:37Z",
    "title_canon_sha256": "80d042f3b43dcf7f19e807918be88736c69dbe3d936ab799198c677650da077f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7931",
    "kind": "arxiv",
    "version": 2
  }
}