Pith Number

pith:UGC3NUWY

pith:2019:UGC3NUWYO2IBLN7AXA4ZIZ5Q77

not attested not anchored not stored refs pending

Cosmic string loop production functions

Christophe Ringeval, Daniele Steer, Mairi Sakellariadou, Pierre Auclair

arxiv:1903.06685 v2 · 2019-03-15 · astro-ph.CO · gr-qc · hep-ph · 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{UGC3NUWYO2IBLN7AXA4ZIZ5Q77}

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	2026-05-17T23:43:32.759585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a185b6d2d8769015b7e0b8399467b0ffeae0d17fdbe1e0250f9daeb7fa144ab8

Aliases

arxiv: 1903.06685 · arxiv_version: 1903.06685v2 · doi: 10.48550/arxiv.1903.06685 · pith_short_12: UGC3NUWYO2IB · pith_short_16: UGC3NUWYO2IBLN7A · pith_short_8: UGC3NUWY

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/UGC3NUWYO2IBLN7AXA4ZIZ5Q77 \
  | 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: a185b6d2d8769015b7e0b8399467b0ffeae0d17fdbe1e0250f9daeb7fa144ab8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "299e116a018acc513a55d742a982762a01db1538665e135ebdd8244ad3b41885",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-03-15T17:31:52Z",
    "title_canon_sha256": "d140113215df41eea9329043bfe039cc10102a0ab04c59bdc05dba7d98ecfc99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06685",
    "kind": "arxiv",
    "version": 2
  }
}