Pith Number

pith:HAPMOU3A

pith:2015:HAPMOU3AWFB4IURRNQQFALK7E2

not attested not anchored not stored refs pending

Relation Between Stereographic Projection and Concurrence Measure in Bipartite Pure States

Bahman Seifi, Ghader Najarbashi

arxiv:1512.07006 v2 · 2015-12-22 · 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{HAPMOU3AWFB4IURRNQQFALK7E2}

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	2026-05-18T01:12:22.699789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

381ec75360b143c452316c20502d5f2691ec248c70baa4f2d3301ea841b4d976

Aliases

arxiv: 1512.07006 · arxiv_version: 1512.07006v2 · doi: 10.48550/arxiv.1512.07006 · pith_short_12: HAPMOU3AWFB4 · pith_short_16: HAPMOU3AWFB4IURR · pith_short_8: HAPMOU3A

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/HAPMOU3AWFB4IURRNQQFALK7E2 \
  | 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: 381ec75360b143c452316c20502d5f2691ec248c70baa4f2d3301ea841b4d976

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7290fee0773e673297cd394cfc049c3698cf9dfe48380c41cc6bf21ef6e02a24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-12-22T09:57:24Z",
    "title_canon_sha256": "06fca70bcf2d0a73faadd75984de68cfc4235281e58eed408ea43ff7ee93d8b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07006",
    "kind": "arxiv",
    "version": 2
  }
}