Pith Number

pith:T6K2NGP4

pith:2017:T6K2NGP4EAFEIJ2QFDJ2DTABXQ

not attested not anchored not stored refs pending

An efficient algorithm to compute the genus of discrete surfaces and applications to turbulent flows

Adri\'an Lozano-Dur\'an, Guillem Borrell

arxiv:1709.00822 v1 · 2017-09-04 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T6K2NGP4EAFEIJ2QFDJ2DTABXQ}

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	2026-05-18T00:36:05.043413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f95a699fc200a44275028d3a1cc01bc2e9e06be35b6b19dbc77b965e305e4e9

Aliases

arxiv: 1709.00822 · arxiv_version: 1709.00822v1 · doi: 10.48550/arxiv.1709.00822 · pith_short_12: T6K2NGP4EAFE · pith_short_16: T6K2NGP4EAFEIJ2Q · pith_short_8: T6K2NGP4

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/T6K2NGP4EAFEIJ2QFDJ2DTABXQ \
  | 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: 9f95a699fc200a44275028d3a1cc01bc2e9e06be35b6b19dbc77b965e305e4e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e363e43800fcba41770043dde36b26db4a8e9d0446ab89c250880c94bdcc763a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-09-04T06:06:05Z",
    "title_canon_sha256": "3fd15ba2698b49490e1c601ca13c97e35189590782451170a3af945ef8dc0c3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00822",
    "kind": "arxiv",
    "version": 1
  }
}