Pith Number

pith:C5ZPSSDC

pith:2013:C5ZPSSDC5PWAP32VDLRC2EPRGB

not attested not anchored not stored refs pending

Mismatched Quantum Filtering and Entropic Information

Mankei Tsang

arxiv:1310.0291 v4 · 2013-10-01 · quant-ph · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C5ZPSSDC5PWAP32VDLRC2EPRGB}

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	2026-05-18T02:45:04.702831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1772f94862ebec07ef551ae22d11f130461e71b3c7e12ed9efdd3c4a333752ef

Aliases

arxiv: 1310.0291 · arxiv_version: 1310.0291v4 · doi: 10.48550/arxiv.1310.0291 · pith_short_12: C5ZPSSDC5PWA · pith_short_16: C5ZPSSDC5PWAP32V · pith_short_8: C5ZPSSDC

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/C5ZPSSDC5PWAP32VDLRC2EPRGB \
  | 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: 1772f94862ebec07ef551ae22d11f130461e71b3c7e12ed9efdd3c4a333752ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d54f39aa13ae2ee3382148ee134f4190f7a38612e8daa795649704a3f37c55d2",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-10-01T13:36:42Z",
    "title_canon_sha256": "75c95e83f4d242854ca024d63170bd2c2c4472fdc0cfd46c834fb4a553e78fce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0291",
    "kind": "arxiv",
    "version": 4
  }
}