Pith Number

pith:LLIB5TRC

pith:1996:LLIB5TRC43ASLTZYE4GDFUK4B4

not attested not anchored not stored refs pending

Density Matrix From Photon Number Tomography

Paolo Tombesi, Stefano Mancini, Vladimir I.Manko

arxiv:quant-ph/9612004 v1 · 1996-11-30 · 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{LLIB5TRC43ASLTZYE4GDFUK4B4}

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	2026-05-18T04:33:04.612310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ad01ece22e6c125cf38270c32d15c0f3a3a44de297ae0b4a245393996b63d37

Aliases

arxiv: quant-ph/9612004 · arxiv_version: quant-ph/9612004v1 · doi: 10.48550/arxiv.quant-ph/9612004 · pith_short_12: LLIB5TRC43AS · pith_short_16: LLIB5TRC43ASLTZY · pith_short_8: LLIB5TRC

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/LLIB5TRC43ASLTZYE4GDFUK4B4 \
  | 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: 5ad01ece22e6c125cf38270c32d15c0f3a3a44de297ae0b4a245393996b63d37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0b2caffa2ddd903354c72037be281e63953cc8cf0a875c2afbc2940610073fc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1996-11-30T10:33:56Z",
    "title_canon_sha256": "4563629b2c17e5d6fcd3327d27e9ab3a693c02759c727e8e42096c71e259666d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9612004",
    "kind": "arxiv",
    "version": 1
  }
}