Pith Number

pith:GCVJVIW7

pith:2021:GCVJVIW7LQXPH6SEZEGTSU5FJ3

not attested not anchored not stored refs pending

Radio Recombination Line Observations at $1.0-1.5$ GHz with FAST

Chuan-Peng Zhang, Guang-Xing Li, Jin-Long Xu, Li-Gang Hou, Nai-Ping Yu, Peng Jiang

arxiv:2104.05272 v2 · 2021-04-12 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GCVJVIW7LQXPH6SEZEGTSU5FJ3}

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	2026-07-05T03:28:14.915173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30aa9aa2df5c2ef3fa44c90d3953a54ee43f65b97f43f817cb30ac8e6fbb6c35

Aliases

arxiv: 2104.05272 · arxiv_version: 2104.05272v2 · doi: 10.48550/arxiv.2104.05272 · pith_short_12: GCVJVIW7LQXP · pith_short_16: GCVJVIW7LQXPH6SE · pith_short_8: GCVJVIW7

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/GCVJVIW7LQXPH6SEZEGTSU5FJ3 \
  | 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: 30aa9aa2df5c2ef3fa44c90d3953a54ee43f65b97f43f817cb30ac8e6fbb6c35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa436887b4ac9c7df0ea65ac3a7fc71afde0c53176e41d7e1e7b5b06c2603ec1",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-04-12T08:08:13Z",
    "title_canon_sha256": "fca2eee4e6489239fb4441ee57c661f90384cc7f3cf6897465274db29eb37c63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05272",
    "kind": "arxiv",
    "version": 2
  }
}