Pith Number

pith:EEL3RGIL

pith:2020:EEL3RGIL64HVDXCSZKECEP22ON

not attested not anchored not stored refs pending

Supervised learning in Hamiltonian reconstruction from local measurements on eigenstates

Bei Zeng, Chenfeng Cao, Ningping Cao, Shi-yao Hou

arxiv:2007.05962 v2 · 2020-07-12 · 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{EEL3RGIL64HVDXCSZKECEP22ON}

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	2026-07-05T03:55:59.985117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2117b8990bf70f51dc52ca88223f5a737c867f5f58259b01005d0418e8bfda73

Aliases

arxiv: 2007.05962 · arxiv_version: 2007.05962v2 · doi: 10.48550/arxiv.2007.05962 · pith_short_12: EEL3RGIL64HV · pith_short_16: EEL3RGIL64HVDXCS · pith_short_8: EEL3RGIL

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/EEL3RGIL64HVDXCSZKECEP22ON \
  | 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: 2117b8990bf70f51dc52ca88223f5a737c867f5f58259b01005d0418e8bfda73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb7d01d6f5b074d2d53b914eeea5fd461c03ffe8a84fa01d65aadc1484966629",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-07-12T11:37:17Z",
    "title_canon_sha256": "358c594da3b6ed9b9a03dde3f12c6cc188f2384748c583cc1f95eed6e51dda3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.05962",
    "kind": "arxiv",
    "version": 2
  }
}