Pith Number

pith:VEWNZ5OA

pith:2015:VEWNZ5OAENCQQF3WWAHULIQF5Z

not attested not anchored not stored refs pending

MERA for Spin Chains with Continuously Varying Criticality

Andrew C. Doherty, Aroon O'Brien, Jacob C. Bridgeman, Stephen D. Bartlett

arxiv:1501.02817 v2 · 2015-01-12 · cond-mat.str-el · 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{VEWNZ5OAENCQQF3WWAHULIQF5Z}

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	2026-05-18T02:17:51.433197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a92cdcf5c02345081776b00f45a205ee48d32c6d4a4ec1d8dec40b3f4b7ba5f2

Aliases

arxiv: 1501.02817 · arxiv_version: 1501.02817v2 · doi: 10.48550/arxiv.1501.02817 · pith_short_12: VEWNZ5OAENCQ · pith_short_16: VEWNZ5OAENCQQF3W · pith_short_8: VEWNZ5OA

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/VEWNZ5OAENCQQF3WWAHULIQF5Z \
  | 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: a92cdcf5c02345081776b00f45a205ee48d32c6d4a4ec1d8dec40b3f4b7ba5f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfd2a63b6adeb43a8c6af1d734b65e47d9abc6b9f6e864a76dac8db2d2cb1146",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2015-01-12T21:04:06Z",
    "title_canon_sha256": "28f729a270c8abe5b918e5a4e9b28f90e0e4189942d09925662b25cf6aea67b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02817",
    "kind": "arxiv",
    "version": 2
  }
}