pith. sign in
Pith Number

pith:3JXE6DIQ

pith:2018:3JXE6DIQF2BNZBEYVOUDEWHCTP
not attested not anchored not stored refs pending

QCD strings and the U(1) problem

Chi Xiong

arxiv:1811.12919 v1 · 2018-11-30 · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3JXE6DIQF2BNZBEYVOUDEWHCTP}

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 2026-05-17T23:45:32.454583Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

da6e4f0d102e82dc8498aba83258e29bd0383b7a52c3580295892dac5cf52801

Aliases

arxiv: 1811.12919 · arxiv_version: 1811.12919v1 · doi: 10.48550/arxiv.1811.12919 · pith_short_12: 3JXE6DIQF2BN · pith_short_16: 3JXE6DIQF2BNZBEY · pith_short_8: 3JXE6DIQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3JXE6DIQF2BNZBEYVOUDEWHCTP \
  | 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: da6e4f0d102e82dc8498aba83258e29bd0383b7a52c3580295892dac5cf52801
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0e46373d822a4b22cfb9285f88e50c6e22953a4fff863f697ed0da6be649cbb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-11-30T18:07:07Z",
    "title_canon_sha256": "40e232769c9d96aeda4882566d7fa6976855bfc4ef19b745a1fcc0b77715b41b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.12919",
    "kind": "arxiv",
    "version": 1
  }
}