Pith Number

pith:75Y77GQC

pith:2010:75Y77GQCAANCIXJTZEFEWD4OS4

not attested not anchored not stored refs pending

Entanglement for all quantum states

A. C. de la Torre, D. Goyeneche, L. Leitao

arxiv:1002.2893 v1 · 2010-02-15 · 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{75Y77GQCAANCIXJTZEFEWD4OS4}

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	2026-05-18T04:21:30.041239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff71ff9a02001a245d33c90a4b0f8e973f2f8326de1f223d35bc5a72647eeee5

Aliases

arxiv: 1002.2893 · arxiv_version: 1002.2893v1 · doi: 10.48550/arxiv.1002.2893 · pith_short_12: 75Y77GQCAANC · pith_short_16: 75Y77GQCAANCIXJT · pith_short_8: 75Y77GQC

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/75Y77GQCAANCIXJTZEFEWD4OS4 \
  | 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: ff71ff9a02001a245d33c90a4b0f8e973f2f8326de1f223d35bc5a72647eeee5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f96dd2b71be637085819dc163a22977014550ce0b18e342601114d0fdb81a0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-02-15T15:23:42Z",
    "title_canon_sha256": "0616fb2c479a906a345c04e4d2453c3a98f65a30bb2ba9489d1aa92af656b4bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2893",
    "kind": "arxiv",
    "version": 1
  }
}