Pith Number

pith:P4SCTAFB

pith:2016:P4SCTAFBJMRPP4W6TNPWN7J4W7

not attested not anchored not stored refs pending

Berry phase, entanglement entropy, and algebraic properties of ground states of BCS and BEC superfluids

Chih-Chun Chien, Hao Guo, Yan He

arxiv:1605.05213 v3 · 2016-05-17 · cond-mat.quant-gas · cond-mat.supr-con · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4SCTAFBJMRPP4W6TNPWN7J4W7}

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	2026-05-18T00:54:10.737419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f242980a14b22f7f2de9b5f66fd3cb7e0f1abf93885402802977470d60b3d72

Aliases

arxiv: 1605.05213 · arxiv_version: 1605.05213v3 · doi: 10.48550/arxiv.1605.05213 · pith_short_12: P4SCTAFBJMRP · pith_short_16: P4SCTAFBJMRPP4W6 · pith_short_8: P4SCTAFB

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/P4SCTAFBJMRPP4W6TNPWN7J4W7 \
  | 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: 7f242980a14b22f7f2de9b5f66fd3cb7e0f1abf93885402802977470d60b3d72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc8841f2a935c3c04b100050f6581ead633547a885a53e9c899fcfa91fa23cc3",
    "cross_cats_sorted": [
      "cond-mat.supr-con",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2016-05-17T15:39:57Z",
    "title_canon_sha256": "c52137ebd136cd8e75a0eb4b5fc426f921ce69852fde0174926f143c53f3179c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05213",
    "kind": "arxiv",
    "version": 3
  }
}