Pith Number

pith:LI6R4DG5

pith:1998:LI6R4DG5KYRLA4KSDYO26J7PN7

not attested not anchored not stored refs pending

Topological Defects in the Cosmos and Lab

Tanmay Vachaspati

arxiv:hep-ph/9802311 v2 · 1998-02-12 · hep-ph · astro-ph · cond-mat · 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{LI6R4DG5KYRLA4KSDYO26J7PN7}

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	2026-07-04T16:09:09.801085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a3d1e0cdd5622b071521e1daf27ef6fc3a36d8cef6fac91a548a7546499b835

Aliases

arxiv: hep-ph/9802311 · arxiv_version: hep-ph/9802311v2 · doi: 10.48550/arxiv.hep-ph/9802311 · pith_short_12: LI6R4DG5KYRL · pith_short_16: LI6R4DG5KYRLA4KS · pith_short_8: LI6R4DG5

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/LI6R4DG5KYRLA4KSDYO26J7PN7 \
  | 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: 5a3d1e0cdd5622b071521e1daf27ef6fc3a36d8cef6fac91a548a7546499b835

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46e22b43b9e6a6ad6234080357bc0bb9e25b0b61ff3ce4791a8da68165d7115c",
    "cross_cats_sorted": [
      "astro-ph",
      "cond-mat",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1998-02-12T16:46:17Z",
    "title_canon_sha256": "8ba00afb9db76e35ac03ef8fbcf669c72b4e1179c6c4a4fc3abe60db12564d01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9802311",
    "kind": "arxiv",
    "version": 2
  }
}