Pith Number

pith:ZVFRMA4T

pith:2007:ZVFRMA4TAH7NNVSI3CR7TMEHIP

not attested not anchored not stored refs pending

Entanglement Cost for Sequences of Arbitrary Quantum States

Garry Bowen, Nilanjana Datta

arxiv:0704.1957 v3 · 2007-04-16 · 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{ZVFRMA4TAH7NNVSI3CR7TMEHIP}

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	2026-05-18T04:32:00.900241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd4b16039301fed6d648d8a3f9b08743eda14f06b10021fbd2498b269ce2c19b

Aliases

arxiv: 0704.1957 · arxiv_version: 0704.1957v3 · doi: 10.48550/arxiv.0704.1957 · pith_short_12: ZVFRMA4TAH7N · pith_short_16: ZVFRMA4TAH7NNVSI · pith_short_8: ZVFRMA4T

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/ZVFRMA4TAH7NNVSI3CR7TMEHIP \
  | 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: cd4b16039301fed6d648d8a3f9b08743eda14f06b10021fbd2498b269ce2c19b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ebea39a771ec6b0cfbb25cf567a7c3a7fcb093001d6dce595732d85720a8f41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-04-16T19:54:26Z",
    "title_canon_sha256": "102dcf4d33cb7e947e016df31237327dc16a7c5a1778935d3f796c31d0b879ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.1957",
    "kind": "arxiv",
    "version": 3
  }
}