Pith Number

pith:APCEIHAO

pith:2019:APCEIHAOIGFBCBVBX5EGH43BCJ

not attested not anchored not stored refs pending

Piercing the rainbow: entanglement on an inhomogeneous spin chain with a defect

Germ\'an Sierra, Javier Rodr\'iguez-Laguna, Nadir Samos S\'aenz de Buruaga, Silvia N. Santalla

arxiv:1912.10788 v1 · 2019-12-23 · 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{APCEIHAOIGFBCBVBX5EGH43BCJ}

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	2026-07-05T01:04:10.644626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03c4441c0e418a1106a1bf4863f3611276e808c2ce8819968240bb294ddb6c6d

Aliases

arxiv: 1912.10788 · arxiv_version: 1912.10788v1 · doi: 10.48550/arxiv.1912.10788 · pith_short_12: APCEIHAOIGFB · pith_short_16: APCEIHAOIGFBCBVB · pith_short_8: APCEIHAO

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/APCEIHAOIGFBCBVBX5EGH43BCJ \
  | 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: 03c4441c0e418a1106a1bf4863f3611276e808c2ce8819968240bb294ddb6c6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c2b4eecb9e9848ce09939dda944e39604fc4a7d8ca5969d2624cd573449037a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2019-12-23T13:22:03Z",
    "title_canon_sha256": "b4592dfcb0babfe72b4db6cdd540b143cef97f93c9714b5b9b7ce233b7038b2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.10788",
    "kind": "arxiv",
    "version": 1
  }
}