Pith Number

pith:EAHNHODL

pith:1998:EAHNHODLGUY7TLMJ6VFFOORIKB

not attested not anchored not stored refs pending

Friction on a Quantized Vortex in a Superfluid

P. Ao (Umea University), X.-M. Zhu

arxiv:cond-mat/9803087 v2 · 1998-03-08 · 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{EAHNHODLGUY7TLMJ6VFFOORIKB}

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	2026-05-18T01:39:31.010216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

200ed3b86b3531f9ad89f54a573a285056155bead9c2c7d1efd421733f89b146

Aliases

arxiv: cond-mat/9803087 · arxiv_version: cond-mat/9803087v2 · doi: 10.48550/arxiv.cond-mat/9803087 · pith_short_12: EAHNHODLGUY7 · pith_short_16: EAHNHODLGUY7TLMJ · pith_short_8: EAHNHODL

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/EAHNHODLGUY7TLMJ6VFFOORIKB \
  | 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: 200ed3b86b3531f9ad89f54a573a285056155bead9c2c7d1efd421733f89b146

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdbabb82c3653053f422abbab32003ebee68fccc465d7ba51aa58d9bded81b51",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1998-03-08T22:42:59Z",
    "title_canon_sha256": "8e9446fedaefeebf267a8a39bb8253fa0c7802840b16da2b469eaacd734ad09d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9803087",
    "kind": "arxiv",
    "version": 2
  }
}