Pith Number

pith:QQABY7IR

pith:2013:QQABY7IRDZYOVKGLAI3MM7JXZM

not attested not anchored not stored refs pending

Vortex-crystal pattern in an anti-artificial spin ice system

A. R. Pereira, C. I. L. de Araujo, F. S. Nascimento, I. R. B. Ribeiro, J. F. Felix, L. A. S. M\'ol, R. C. Silva, S. O. Ferreira, W. A. Moura-Melo

arxiv:1312.1646 v1 · 2013-12-05 · cond-mat.mes-hall

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

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	2026-05-18T00:08:29.761540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84001c7d111e70eaa8cb0236c67d37cb3c9d8b47adbad5795b3b7ae59b2248f7

Aliases

arxiv: 1312.1646 · arxiv_version: 1312.1646v1 · doi: 10.48550/arxiv.1312.1646 · pith_short_12: QQABY7IRDZYO · pith_short_16: QQABY7IRDZYOVKGL · pith_short_8: QQABY7IR

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/QQABY7IRDZYOVKGLAI3MM7JXZM \
  | 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: 84001c7d111e70eaa8cb0236c67d37cb3c9d8b47adbad5795b3b7ae59b2248f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c730cde3c134c56918b37027f8b9a6618dfdf2676b9c4b45fe5f698ab9a6339",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2013-12-05T19:05:23Z",
    "title_canon_sha256": "a05dee00823918c8c6b23428643a36ca5939ead3a4408d0faa9adfd5a9e4741e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1646",
    "kind": "arxiv",
    "version": 1
  }
}