Pith Number

pith:BDN37ADS

pith:2012:BDN37ADSZ3ZZJQ2YNUMMZVQD2Z

not attested not anchored not stored refs pending

Undecidability in Tensor Network States

Jacob Biamonte, Jason Morton

arxiv:1205.3315 v1 · 2012-05-15 · 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{BDN37ADSZ3ZZJQ2YNUMMZVQD2Z}

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	2026-05-18T03:08:14.625893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08dbbf8072cef394c3586d18ccd603d655e1f709890bdc0c690a4e25361e776c

Aliases

arxiv: 1205.3315 · arxiv_version: 1205.3315v1 · doi: 10.48550/arxiv.1205.3315 · pith_short_12: BDN37ADSZ3ZZ · pith_short_16: BDN37ADSZ3ZZJQ2Y · pith_short_8: BDN37ADS

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/BDN37ADSZ3ZZJQ2YNUMMZVQD2Z \
  | 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: 08dbbf8072cef394c3586d18ccd603d655e1f709890bdc0c690a4e25361e776c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d2995632aa31cfd66873a74d6835916f57662d9af2c5eadcb44b666e34c699a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-05-15T10:32:29Z",
    "title_canon_sha256": "5028b5d70292fa5ec6c8daf9583c00f62955b67b98c9bda8a3d84bb9afd334d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3315",
    "kind": "arxiv",
    "version": 1
  }
}