Pith Number

pith:5SXMUP2M

pith:1999:5SXMUP2M6FWOFSJE6ELHLXDIBO

not attested not anchored not stored refs pending

A strong-coupling theory of superfluid ${^4}$He

E. Akkermans, N. Gov

arxiv:cond-mat/9910395 v1 · 1999-10-25 · cond-mat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SXMUP2M6FWOFSJE6ELHLXDIBO}

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	2026-05-18T01:07:04.099446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecaeca3f4cf16ce2c924f11675dc680ba0a79f38bb1b19e5cc903a7d4b6c2590

Aliases

arxiv: cond-mat/9910395 · arxiv_version: cond-mat/9910395v1 · doi: 10.48550/arxiv.cond-mat/9910395 · pith_short_12: 5SXMUP2M6FWO · pith_short_16: 5SXMUP2M6FWOFSJE · pith_short_8: 5SXMUP2M

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/5SXMUP2M6FWOFSJE6ELHLXDIBO \
  | 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: ecaeca3f4cf16ce2c924f11675dc680ba0a79f38bb1b19e5cc903a7d4b6c2590

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bef39e5b097be9f5f3c8900558030ea7e4b253b56e78b4cad4f0b61c47e38da",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1999-10-25T12:42:09Z",
    "title_canon_sha256": "0773fac02043d84122049730680ffda7cb8848510140258bec68b36573bdbcfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9910395",
    "kind": "arxiv",
    "version": 1
  }
}