Pith Number

pith:ODG5D3UT

pith:2010:ODG5D3UTMREATOHT52KAUNEA5E

not attested not anchored not stored refs pending

Extracting dynamical equations from experimental data is NP-hard

Jens Eisert, Michael M. Wolf, Toby S. Cubitt

arxiv:1005.0005 v2 · 2010-04-30 · 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{ODG5D3UTMREATOHT52KAUNEA5E}

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	2026-05-18T02:07:44.271793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70cdd1ee93644809b8f3ee940a3480e9316de685bf4395698f6816acd88bea68

Aliases

arxiv: 1005.0005 · arxiv_version: 1005.0005v2 · doi: 10.48550/arxiv.1005.0005 · pith_short_12: ODG5D3UTMREA · pith_short_16: ODG5D3UTMREATOHT · pith_short_8: ODG5D3UT

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/ODG5D3UTMREATOHT52KAUNEA5E \
  | 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: 70cdd1ee93644809b8f3ee940a3480e9316de685bf4395698f6816acd88bea68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "248bd0f2f840e37344aa2354d378616fe8967dc26d92a6ab827439e02c37d84d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-04-30T20:02:51Z",
    "title_canon_sha256": "9972bd8e7d644ce9637072ad76196e3ed17197f832d706ee6a46f24e9c515827"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0005",
    "kind": "arxiv",
    "version": 2
  }
}