Pith Number

pith:DFQQAO4Y

pith:2010:DFQQAO4YPIAR6UP523DP55RK5J

not attested not anchored not stored refs pending

Quality factor of a matter-wave beam

Fran\c{c}ois Impens

arxiv:1001.5368 v1 · 2010-01-29 · cond-mat.quant-gas · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFQQAO4YPIAR6UP523DP55RK5J}

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	2026-05-18T02:09:22.276753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1961003b987a011f51fdd6c6fef62aea45a91aef2b5ff9c73c783dadad945097

Aliases

arxiv: 1001.5368 · arxiv_version: 1001.5368v1 · doi: 10.48550/arxiv.1001.5368 · pith_short_12: DFQQAO4YPIAR · pith_short_16: DFQQAO4YPIAR6UP5 · pith_short_8: DFQQAO4Y

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/DFQQAO4YPIAR6UP523DP55RK5J \
  | 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: 1961003b987a011f51fdd6c6fef62aea45a91aef2b5ff9c73c783dadad945097

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "078c532702a1be8e2bd7fb6bab37d13d5c1b7366f31dc9f8b9e6db7349eabc96",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2010-01-29T10:02:31Z",
    "title_canon_sha256": "7bfedaf7675ad80b35ee791222e7d88dc746f9addb21d7547bcf55351cc72219"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.5368",
    "kind": "arxiv",
    "version": 1
  }
}