Pith Number

pith:IIMO7VFS

pith:2011:IIMO7VFS6PSAKY3J6DTT6Q3EUJ

not attested not anchored not stored refs pending

Unidirectional Pinning and Hysteresis of Spatially Discordant Alternans in Cardiac Tissue

Alain Karma, Juan G. Restrepo, Per Sebastian Skardal

arxiv:1111.6636 v2 · 2011-11-28 · nlin.PS · math.DS · physics.bio-ph · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIMO7VFS6PSAKY3J6DTT6Q3EUJ}

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	2026-05-18T04:00:37.706726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4218efd4b2f3e4056369f0e73f4364a240182a0c13bbba1f6b37eafd3478c256

Aliases

arxiv: 1111.6636 · arxiv_version: 1111.6636v2 · doi: 10.48550/arxiv.1111.6636 · pith_short_12: IIMO7VFS6PSA · pith_short_16: IIMO7VFS6PSAKY3J · pith_short_8: IIMO7VFS

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/IIMO7VFS6PSAKY3J6DTT6Q3EUJ \
  | 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: 4218efd4b2f3e4056369f0e73f4364a240182a0c13bbba1f6b37eafd3478c256

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de53080f4bf8bcbde2ab6a1015d82f36a43418100b7ae5663806e5cbceca4cb2",
    "cross_cats_sorted": [
      "math.DS",
      "physics.bio-ph",
      "q-bio.TO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2011-11-28T22:12:28Z",
    "title_canon_sha256": "3b10c42963ef5fb6ccb8bf2818bd6b80399aacdf9c4c8b4711d85cfaf78b07ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6636",
    "kind": "arxiv",
    "version": 2
  }
}