Pith Number

pith:J4QJK5YK

pith:2017:J4QJK5YKKCMTFUC6QQEOEIX6XW

not attested not anchored not stored refs pending

Motion of a Vortex Filament in an External Flow

Masashi Aiki, Tatsuo Iguchi

arxiv:1704.04003 v2 · 2017-04-13 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J4QJK5YKKCMTFUC6QQEOEIX6XW}

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	2026-05-18T00:05:51.342575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f2095770a509932d05e8408e222febdbe9c2e1b8b6082098dad65a38d017114

Aliases

arxiv: 1704.04003 · arxiv_version: 1704.04003v2 · doi: 10.48550/arxiv.1704.04003 · pith_short_12: J4QJK5YKKCMT · pith_short_16: J4QJK5YKKCMTFUC6 · pith_short_8: J4QJK5YK

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/J4QJK5YKKCMTFUC6QQEOEIX6XW \
  | 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: 4f2095770a509932d05e8408e222febdbe9c2e1b8b6082098dad65a38d017114

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "076910d44965f55a8696617a85cc359b84287a49f6a64a53dc9b8190a111fc4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-04-13T06:20:29Z",
    "title_canon_sha256": "319c1ce4c7b2fda2f7fbbce4b14bdc8144976924163c36eeee91f4ce2a134e10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04003",
    "kind": "arxiv",
    "version": 2
  }
}