Pith Number

pith:TY7AJFRS

pith:2011:TY7AJFRSGPLIIJNWGDCCDFAYLE

not attested not anchored not stored refs pending

Scale invariance and viscosity of a two-dimensional Fermi gas

Bernd Fr\"ohlich, Daniel Pertot, Enrico Vogt, Marco Koschorreck, Michael Feld, Michael K\"ohl

arxiv:1111.1173 v2 · 2011-11-04 · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TY7AJFRSGPLIIJNWGDCCDFAYLE}

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	2026-05-18T04:02:00.523537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e3e04963233d68425b630c4219418591aa556cb8bf4098e117b7512eacbf85f

Aliases

arxiv: 1111.1173 · arxiv_version: 1111.1173v2 · doi: 10.48550/arxiv.1111.1173 · pith_short_12: TY7AJFRSGPLI · pith_short_16: TY7AJFRSGPLIIJNW · pith_short_8: TY7AJFRS

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/TY7AJFRSGPLIIJNWGDCCDFAYLE \
  | 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: 9e3e04963233d68425b630c4219418591aa556cb8bf4098e117b7512eacbf85f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "898e7a104dd1b4775ccea3e5000e9b29993bacada3078ef0004eaf7c50cedf54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2011-11-04T16:25:19Z",
    "title_canon_sha256": "5a744649ecf394fb0bbb42418485e45a3ae5a1578d1017e067c008eecea860e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1173",
    "kind": "arxiv",
    "version": 2
  }
}