Pith Number

pith:ZPOAPULX

pith:2012:ZPOAPULXR7DDIKI4JEQD7V4GIA

not attested not anchored not stored refs pending

Photon-number tomography and fidelity

O. V. Man'ko

arxiv:1212.5822 v1 · 2012-12-23 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZPOAPULXR7DDIKI4JEQD7V4GIA}

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	2026-05-17T23:54:27.448976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbdc07d1778fc634291c49203fd786400f4534d0597938e5c13c7b5e2d53c1fb

Aliases

arxiv: 1212.5822 · arxiv_version: 1212.5822v1 · doi: 10.48550/arxiv.1212.5822 · pith_short_12: ZPOAPULXR7DD · pith_short_16: ZPOAPULXR7DDIKI4 · pith_short_8: ZPOAPULX

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/ZPOAPULXR7DDIKI4JEQD7V4GIA \
  | 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: cbdc07d1778fc634291c49203fd786400f4534d0597938e5c13c7b5e2d53c1fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a78607e2bb5cd5223e140c0eab119a6698380fa1344142f7f647abea6141d157",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-12-23T18:01:26Z",
    "title_canon_sha256": "1319c1f6778da51c4d89a72c10320052df00c0007f5b391163a024104b5d95e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5822",
    "kind": "arxiv",
    "version": 1
  }
}