Pith Number

pith:EJOH53E5

pith:2017:EJOH53E5FQPZUVFRV7J2WNXNPV

not attested not anchored not stored refs pending

Helicity in Superfluids: existence and the classical limit

Dustin Kleckner, Hridesh Kedia, Martin W. Scheeler, William T. M. Irvine

arxiv:1708.01526 v4 · 2017-08-04 · cond-mat.quant-gas · physics.atom-ph · 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{EJOH53E5FQPZUVFRV7J2WNXNPV}

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	2026-05-18T00:02:36.273854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

225c7eec9d2c1f9a54b1afd3ab36ed7d42cde514358773eb755f7b80b353c019

Aliases

arxiv: 1708.01526 · arxiv_version: 1708.01526v4 · doi: 10.48550/arxiv.1708.01526 · pith_short_12: EJOH53E5FQPZ · pith_short_16: EJOH53E5FQPZUVFR · pith_short_8: EJOH53E5

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/EJOH53E5FQPZUVFRV7J2WNXNPV \
  | 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: 225c7eec9d2c1f9a54b1afd3ab36ed7d42cde514358773eb755f7b80b353c019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c88b0a32c2a58ca6994b3f067e2a856b8adb557b3eccd24de0da8d398e7376f",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2017-08-04T14:39:45Z",
    "title_canon_sha256": "08be20674156a2ac7117d9a3223037a680ce4d39aeb9b97362f10c7c43b3a520"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01526",
    "kind": "arxiv",
    "version": 4
  }
}