Pith Number

pith:5WTH64SX

pith:2018:5WTH64SXBH3FWTYUIIJIBSFK7K

not attested not anchored not stored refs pending

Entanglement in simple spin networks with a boundary

Meng-He Wu, Yikang Xiao, Yi Ling

arxiv:1811.03213 v2 · 2018-11-08 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5WTH64SXBH3FWTYUIIJIBSFK7K}

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	2026-05-17T23:55:54.211220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eda67f725709f65b4f14421280c8aafa894e7ab196b8943a377a6e68e07caa47

Aliases

arxiv: 1811.03213 · arxiv_version: 1811.03213v2 · doi: 10.48550/arxiv.1811.03213 · pith_short_12: 5WTH64SXBH3F · pith_short_16: 5WTH64SXBH3FWTYU · pith_short_8: 5WTH64SX

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/5WTH64SXBH3FWTYUIIJIBSFK7K \
  | 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: eda67f725709f65b4f14421280c8aafa894e7ab196b8943a377a6e68e07caa47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5bb5a997bb16d1f898dbab135dd95c9efa6fa8fc1b0aa130850fceec1dd0da0",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-11-08T01:36:33Z",
    "title_canon_sha256": "f12adea4a2049ac91a9f0730438fa1b6bc81fd0d32f7d188c3f0a8b6c0f75d5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03213",
    "kind": "arxiv",
    "version": 2
  }
}