Pith Number

pith:M6JSTK2N

pith:2012:M6JSTK2NOFG4JT7RMTTGWNR7TD

not attested not anchored not stored refs pending

Brachistochrone of Entanglement for Spin Chains

A. Carlini, T. Koike

arxiv:1209.0406 v2 · 2012-09-03 · 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{M6JSTK2NOFG4JT7RMTTGWNR7TD}

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	2026-05-18T00:51:07.759240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

679329ab4d714dc4cff164e66b363f98d15c1d42dced1e1da47c355e07a8e07e

Aliases

arxiv: 1209.0406 · arxiv_version: 1209.0406v2 · doi: 10.48550/arxiv.1209.0406 · pith_short_12: M6JSTK2NOFG4 · pith_short_16: M6JSTK2NOFG4JT7R · pith_short_8: M6JSTK2N

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/M6JSTK2NOFG4JT7RMTTGWNR7TD \
  | 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: 679329ab4d714dc4cff164e66b363f98d15c1d42dced1e1da47c355e07a8e07e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5223c9f311d8a540986ef8f64f932878582a5ef38b469c51532abdc7780d8d57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-09-03T16:55:06Z",
    "title_canon_sha256": "78be4c455018158b0af72f51e4718244b9e5a6b72597ac51f4dd9e32498aefcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0406",
    "kind": "arxiv",
    "version": 2
  }
}