Pith Number

pith:ZOPCS7M6

pith:2021:ZOPCS7M6FRQON2JJ3SMXILIZVN

not attested not anchored not stored refs pending

Effect of symmetrical frequency chirp on pair production

B. S. Xie, Kun Wang, Sayipjamal Dulat, Xuehua Hu

arxiv:2103.00389 v1 · 2021-02-28 · hep-ph · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZOPCS7M6FRQON2JJ3SMXILIZVN}

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	2026-07-05T03:04:46.672794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb9e297d9e2c60e6e929dc99742d19ab63bc510c518b17ebed2da63898d24b1a

Aliases

arxiv: 2103.00389 · arxiv_version: 2103.00389v1 · doi: 10.48550/arxiv.2103.00389 · pith_short_12: ZOPCS7M6FRQO · pith_short_16: ZOPCS7M6FRQON2JJ · pith_short_8: ZOPCS7M6

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/ZOPCS7M6FRQON2JJ3SMXILIZVN \
  | 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: cb9e297d9e2c60e6e929dc99742d19ab63bc510c518b17ebed2da63898d24b1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9518c95f2b682c5e83528d8fb93df41353a78e1c42c5422c1759b320320eb859",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2021-02-28T03:41:02Z",
    "title_canon_sha256": "814352d9ca550807fb9812498624069afcb3aee8e998b18da7c6550b2296f17e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.00389",
    "kind": "arxiv",
    "version": 1
  }
}