Pith Number

pith:55Y4IKA4

pith:2018:55Y4IKA4W7S7RI3VLICOX3OQLB

not attested not anchored not stored refs pending

The Compactified Principal Chiral Model's Mass Gap

Baiyang Zhang, Jarah Evslin

arxiv:1809.10973 v1 · 2018-09-28 · 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{55Y4IKA4W7S7RI3VLICOX3OQLB}

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	2026-05-18T00:02:30.568832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef71c4281cb7e5f8a3755a04ebedd05874757cc4ecc64bb3a2ca36b86f806a2f

Aliases

arxiv: 1809.10973 · arxiv_version: 1809.10973v1 · doi: 10.48550/arxiv.1809.10973 · pith_short_12: 55Y4IKA4W7S7 · pith_short_16: 55Y4IKA4W7S7RI3V · pith_short_8: 55Y4IKA4

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/55Y4IKA4W7S7RI3VLICOX3OQLB \
  | 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: ef71c4281cb7e5f8a3755a04ebedd05874757cc4ecc64bb3a2ca36b86f806a2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de6eff4b1fe0aa6a6566dd9e705350418500b1708617ded110dd4f5f1f7050bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-09-28T11:44:30Z",
    "title_canon_sha256": "27670a689c36848569c9109dfc74a33d543af1c5cae98525b6022497d7692234"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10973",
    "kind": "arxiv",
    "version": 1
  }
}