Pith Number

pith:VNDRG2NW

pith:2014:VNDRG2NW7VH3Q7FTCJMAXMKDET

not attested not anchored not stored refs pending

The Fidelity and Trace Norm Distances for Quantifying Coherence

Heng Fan, Lian-He Shao, Yongming Li, Zhengjun Xi

arxiv:1410.8327 v1 · 2014-10-30 · 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{VNDRG2NW7VH3Q7FTCJMAXMKDET}

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	2026-05-18T02:18:21.793981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab471369b6fd4fb87cb312580bb14324daf7a0d76d67380b6dff25b15acd2686

Aliases

arxiv: 1410.8327 · arxiv_version: 1410.8327v1 · doi: 10.48550/arxiv.1410.8327 · pith_short_12: VNDRG2NW7VH3 · pith_short_16: VNDRG2NW7VH3Q7FT · pith_short_8: VNDRG2NW

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/VNDRG2NW7VH3Q7FTCJMAXMKDET \
  | 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: ab471369b6fd4fb87cb312580bb14324daf7a0d76d67380b6dff25b15acd2686

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e80ed315fcc75e918f203537014b7f9a3f62f7b053d2e9a704d170acf1f2590",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-10-30T11:06:43Z",
    "title_canon_sha256": "25af56e3befe01bd32126e3a9eaa30fbd70449472eda4ad548212cdf0e471f09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8327",
    "kind": "arxiv",
    "version": 1
  }
}