Pith Number

pith:F42YFOAK

pith:2020:F42YFOAKYM2YH3UCSOXQPMZYKZ

not attested not anchored not stored refs pending

Notes on index of quantum integrability

Bin Chen, Jia Tian, Jue Hou

arxiv:2002.04952 v1 · 2020-02-12 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F42YFOAKYM2YH3UCSOXQPMZYKZ}

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	2026-07-05T02:43:05.434403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f3582b80ac33583ee8293af07b338566ea06342282325dbe70893ababa885e4

Aliases

arxiv: 2002.04952 · arxiv_version: 2002.04952v1 · doi: 10.48550/arxiv.2002.04952 · pith_short_12: F42YFOAKYM2Y · pith_short_16: F42YFOAKYM2YH3UC · pith_short_8: F42YFOAK

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/F42YFOAKYM2YH3UCSOXQPMZYKZ \
  | 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: 2f3582b80ac33583ee8293af07b338566ea06342282325dbe70893ababa885e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51c618160513bcc7f75eaf2b933d19b068912128848ce17c99a0e2030442a409",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-02-12T12:36:40Z",
    "title_canon_sha256": "d90d97225531673fc270e51d897a1822903e522b7f387bc8d637432d3f3daa17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.04952",
    "kind": "arxiv",
    "version": 1
  }
}