Pith Number

pith:CSBR6W6I

pith:2015:CSBR6W6IHPQRHYP6ZSTK2NB7M5

not attested not anchored not stored refs pending

Some properties of Grassmannian $U(4)/U(2)^2$ coherent states and an entropic conjecture

Emilio Perez-Romero, Manuel Calixto

arxiv:1506.01541 v2 · 2015-06-04 · math-ph · cond-mat.mes-hall · math.MP · quant-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{CSBR6W6IHPQRHYP6ZSTK2NB7M5}

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	2026-05-18T01:26:18.295972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14831f5bc83be113e1fecca6ad343f6760d50b1e1ce2a8c26592e409c127189f

Aliases

arxiv: 1506.01541 · arxiv_version: 1506.01541v2 · doi: 10.48550/arxiv.1506.01541 · pith_short_12: CSBR6W6IHPQR · pith_short_16: CSBR6W6IHPQRHYP6 · pith_short_8: CSBR6W6I

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/CSBR6W6IHPQRHYP6ZSTK2NB7M5 \
  | 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: 14831f5bc83be113e1fecca6ad343f6760d50b1e1ce2a8c26592e409c127189f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eccc52136f9ae7f2500ef64c5588f869ceaafa11099d981d21a0049e99755d99",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-06-04T10:42:22Z",
    "title_canon_sha256": "670039d76a8234fefdbfe2c3693463638377ad93f9808568c684cc467aab63d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01541",
    "kind": "arxiv",
    "version": 2
  }
}