Pith Number

pith:TG3YDAOT

pith:2009:TG3YDAOT5DZGJLA3VHNFML2BM2

not attested not anchored not stored refs pending

Measuring the Superfluid Fraction of an Ultracold Atomic Gas

Nigel R. Cooper, Zoran Hadzibabic

arxiv:0910.4767 v1 · 2009-10-26 · 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{TG3YDAOT5DZGJLA3VHNFML2BM2}

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	2026-07-04T17:19:47.708138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99b78181d3e8f264ac1ba9da562f4166840c9da61c34b30363d52e6b9102dd7d

Aliases

arxiv: 0910.4767 · arxiv_version: 0910.4767v1 · doi: 10.48550/arxiv.0910.4767 · pith_short_12: TG3YDAOT5DZG · pith_short_16: TG3YDAOT5DZGJLA3 · pith_short_8: TG3YDAOT

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/TG3YDAOT5DZGJLA3VHNFML2BM2 \
  | 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: 99b78181d3e8f264ac1ba9da562f4166840c9da61c34b30363d52e6b9102dd7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c8ae40fbd1f38e4e90af25bc06bfb1c669139caab744f8d2ea70b09d21f2e9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2009-10-26T18:18:44Z",
    "title_canon_sha256": "a9de37d2f4698354fc7e06e33b512ceaefbc8d9e67529b40cf80e0c8cc9923fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4767",
    "kind": "arxiv",
    "version": 1
  }
}