Pith Number

pith:NU2PO3VD

pith:2010:NU2PO3VDOZJPL4XX6QDOLCKHNI

not attested not anchored not stored refs pending

Information, fidelity, and reversibility in photodetection processes

Hiroaki Terashima

arxiv:1010.5075 v2 · 2010-10-25 · 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{NU2PO3VDOZJPL4XX6QDOLCKHNI}

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	2026-05-18T04:26:32.909180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d34f76ea37652f5f2f7f406e589476a233a5bddad2b4fb9e9215f1268b26db0

Aliases

arxiv: 1010.5075 · arxiv_version: 1010.5075v2 · doi: 10.48550/arxiv.1010.5075 · pith_short_12: NU2PO3VDOZJP · pith_short_16: NU2PO3VDOZJPL4XX · pith_short_8: NU2PO3VD

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/NU2PO3VDOZJPL4XX6QDOLCKHNI \
  | 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: 6d34f76ea37652f5f2f7f406e589476a233a5bddad2b4fb9e9215f1268b26db0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "978d849917d29da339c9d8fa7277838b2a719a82d2c4d4587f6c6705603b8185",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-10-25T10:12:08Z",
    "title_canon_sha256": "10c0585e946a1f4fbdc009224b87d1a7bb2b3ba1bd477fc8a6f06dce7956aadb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5075",
    "kind": "arxiv",
    "version": 2
  }
}