Pith Number

pith:ZQQKSR5L

pith:1998:ZQQKSR5LOCG6F23PSHPD7RCMUP

not attested not anchored not stored refs pending

Topological Defects: Fossils from the Early Universe

Tanmay Vachaspati

arxiv:hep-ph/9801367 v1 · 1998-01-20 · 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{ZQQKSR5LOCG6F23PSHPD7RCMUP}

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	2026-07-04T14:30:28.439913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc20a947ab708de2eb6f91de3fc44ca3c86a5992353158f9510cc6bbfcc78542

Aliases

arxiv: hep-ph/9801367 · arxiv_version: hep-ph/9801367v1 · doi: 10.48550/arxiv.hep-ph/9801367 · pith_short_12: ZQQKSR5LOCG6 · pith_short_16: ZQQKSR5LOCG6F23P · pith_short_8: ZQQKSR5L

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/ZQQKSR5LOCG6F23PSHPD7RCMUP \
  | 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: cc20a947ab708de2eb6f91de3fc44ca3c86a5992353158f9510cc6bbfcc78542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ef1f1aae5e9b42cd523fe2ff131f6d48a6f84e1f3afe882bef1c28e80f1d70c",
    "cross_cats_sorted": [
      "astro-ph",
      "cond-mat",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1998-01-20T20:32:01Z",
    "title_canon_sha256": "8c273d27c107877209702b2870c5d84cbf098172a7f3ddead34545a3b8586d1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9801367",
    "kind": "arxiv",
    "version": 1
  }
}