pith. sign in
Pith Number

pith:PUMQPMD7

pith:2011:PUMQPMD73NHZRXF5GUIIYED3RY
not attested not anchored not stored refs pending

Chern numbers hiding in time-of-flight images

Carl J. Williams, Erhai Zhao, I. B. Spielman, Indubala I. Satija, Noah Bray-Ali

arxiv:1105.3100 v3 · 2011-05-16 · cond-mat.quant-gas

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PUMQPMD73NHZRXF5GUIIYED3RY}

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 2026-05-18T04:05:05.288680Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7d1907b07fdb4f98dcbd35108c107b8e30cfe62390f2ca99f7c07b3c2fdd8edd

Aliases

arxiv: 1105.3100 · arxiv_version: 1105.3100v3 · doi: 10.48550/arxiv.1105.3100 · pith_short_12: PUMQPMD73NHZ · pith_short_16: PUMQPMD73NHZRXF5 · pith_short_8: PUMQPMD7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PUMQPMD73NHZRXF5GUIIYED3RY \
  | 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: 7d1907b07fdb4f98dcbd35108c107b8e30cfe62390f2ca99f7c07b3c2fdd8edd
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0d704bfcff65a94c73bd06b79917af5dcd506588bc43933de5fe7c6303b96b34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2011-05-16T14:13:42Z",
    "title_canon_sha256": "6dc16bc7d621273f3f7a42b8aef212bbddc486e45dd4fad073e68464ebdd23d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3100",
    "kind": "arxiv",
    "version": 3
  }
}