Pith Number

pith:6S4WLTAD

pith:2013:6S4WLTADV2ISQR7K6LADP2PVZB

not attested not anchored not stored refs pending

Product-state Approximations to Quantum Ground States

Aram W. Harrow, Fernando G.S.L. Brand\~ao

arxiv:1310.0017 v2 · 2013-09-30 · 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{6S4WLTADV2ISQR7K6LADP2PVZB}

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	2026-05-18T01:21:23.330784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4b965cc03ae912847eaf2c037e9f5c86dc2f745e378f7bbda6d3a74fc8cc07f

Aliases

arxiv: 1310.0017 · arxiv_version: 1310.0017v2 · doi: 10.48550/arxiv.1310.0017 · pith_short_12: 6S4WLTADV2IS · pith_short_16: 6S4WLTADV2ISQR7K · pith_short_8: 6S4WLTAD

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/6S4WLTADV2ISQR7K6LADP2PVZB \
  | 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: f4b965cc03ae912847eaf2c037e9f5c86dc2f745e378f7bbda6d3a74fc8cc07f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f84bc7ea9e980666629ea4c8414fbf2e105739266872f417aa1fa9312022fa8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-09-30T20:00:03Z",
    "title_canon_sha256": "65f064e5f7e069c53a58ddea2ba5a679af73c29abdef9ad7ad671e395bb521fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0017",
    "kind": "arxiv",
    "version": 2
  }
}