Pith Number

pith:4TYYDSKD

pith:2021:4TYYDSKD43KRYMJCDSFIBS2RMU

not attested not anchored not stored refs pending

Simultaneous 2.25/8.60 GHz observations of the newly discovered magnetar -- Swift J1818.0-1607

Hao Tong, Jian-ping Yuan, Jie Liu, Lin Lin, Ming-Yu Ge, Rui Wang, Ru-Shuang Zhao, Zhen Yan, Zhi-Peng Huang, Zhi-Qiang Shen

arxiv:2105.03580 v1 · 2021-05-08 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TYYDSKD43KRYMJCDSFIBS2RMU}

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	2026-07-05T02:42:51.683837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4f181c943e6d51c31221c8a80cb516514a984c84390a8087d0084e3ed5b8e07

Aliases

arxiv: 2105.03580 · arxiv_version: 2105.03580v1 · doi: 10.48550/arxiv.2105.03580 · pith_short_12: 4TYYDSKD43KR · pith_short_16: 4TYYDSKD43KRYMJC · pith_short_8: 4TYYDSKD

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/4TYYDSKD43KRYMJCDSFIBS2RMU \
  | 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: e4f181c943e6d51c31221c8a80cb516514a984c84390a8087d0084e3ed5b8e07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fe867272a2c2af2d76fc7534508511bf5007f13b9ea0b5c058cad5876e8432d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-05-08T03:31:12Z",
    "title_canon_sha256": "279044ec8123b7ac9a8f56b4ae7a445a1c26e85ada9818e095d4475020ea9bb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.03580",
    "kind": "arxiv",
    "version": 1
  }
}