Pith Number

pith:PDZLVWKR

pith:2016:PDZLVWKRACTWEHU2FSOCCJKMNQ

not attested not anchored not stored refs pending

Efficient Computation of Null-Geodesic with Applications to Coherent Vortex Detection

George Haller, Mattia Serra

arxiv:1610.09504 v1 · 2016-10-29 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDZLVWKRACTWEHU2FSOCCJKMNQ}

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	2026-05-18T00:46:39.285250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78f2bad95100a7621e9a2c9c21254c6c3a765188feb99d35b3a281aeef51b998

Aliases

arxiv: 1610.09504 · arxiv_version: 1610.09504v1 · doi: 10.48550/arxiv.1610.09504 · pith_short_12: PDZLVWKRACTW · pith_short_16: PDZLVWKRACTWEHU2 · pith_short_8: PDZLVWKR

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/PDZLVWKRACTWEHU2FSOCCJKMNQ \
  | 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: 78f2bad95100a7621e9a2c9c21254c6c3a765188feb99d35b3a281aeef51b998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6b3cfc73306646afff8091cc31971ed869294ea632177938c1aee50dc277bf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-10-29T13:15:53Z",
    "title_canon_sha256": "7ffc7e4386e15287b342563bae77ec49592575126e7656bb172a3fd1a6d169cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.09504",
    "kind": "arxiv",
    "version": 1
  }
}