Pith Number

pith:COFWIPY4

pith:2009:COFWIPY4OQ7XFNLISHTINZLKWA

not attested not anchored not stored refs pending

Quantum tomography via equidistant states

A. Delgado, C. Paiva-S\'anchez, E. Burgos-Inostroza, O. Jim\'enez

arxiv:0910.5943 v1 · 2009-10-30 · 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{COFWIPY4OQ7XFNLISHTINZLKWA}

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	2026-05-18T02:11:01.243000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

138b643f1c743f72b56891e686e56ab01e6a054531d19610c1847b02a701db30

Aliases

arxiv: 0910.5943 · arxiv_version: 0910.5943v1 · doi: 10.48550/arxiv.0910.5943 · pith_short_12: COFWIPY4OQ7X · pith_short_16: COFWIPY4OQ7XFNLI · pith_short_8: COFWIPY4

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/COFWIPY4OQ7XFNLISHTINZLKWA \
  | 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: 138b643f1c743f72b56891e686e56ab01e6a054531d19610c1847b02a701db30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f7625d020d9fcf756408f2ba2f81f0bf4836c90e8f05c536a6b189207db49ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-10-30T18:55:19Z",
    "title_canon_sha256": "1409e080abfe6eb8992a5a255d0abb5e8fc93000599b227472c48877f2edac2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5943",
    "kind": "arxiv",
    "version": 1
  }
}