Pith Number

pith:TMMPW2UK

pith:2009:TMMPW2UKWYMCNR5JTV6SKLPHRB

not attested not anchored not stored refs pending

A canonical form for Projected Entangled Pair States and applications

C.E. Gonzalez-Guillen, D. Perez-Garcia, J.I. Cirac, M.M. Wolf, M. Sanz

arxiv:0908.1674 v1 · 2009-08-12 · quant-ph · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TMMPW2UKWYMCNR5JTV6SKLPHRB}

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	2026-05-18T02:54:31.093301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b18fb6a8ab61826c7a99d7d252de7887d7b2d1f0437fa201666dc5ac798c50b

Aliases

arxiv: 0908.1674 · arxiv_version: 0908.1674v1 · doi: 10.48550/arxiv.0908.1674 · pith_short_12: TMMPW2UKWYMC · pith_short_16: TMMPW2UKWYMCNR5J · pith_short_8: TMMPW2UK

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/TMMPW2UKWYMCNR5JTV6SKLPHRB \
  | 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: 9b18fb6a8ab61826c7a99d7d252de7887d7b2d1f0437fa201666dc5ac798c50b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15facebf6afee50b7c0715e7212ee2c623405902273c4df38a35100c5ea0dad5",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-08-12T10:45:30Z",
    "title_canon_sha256": "7e157da521d86488dcd1ccb9a5562cad98ae35326e3bdeb9bae307b00842b20a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1674",
    "kind": "arxiv",
    "version": 1
  }
}