Pith Number

pith:UEUYYP4M

pith:2020:UEUYYP4MWJZLOHVUEWXO7VFFA3

not attested not anchored not stored refs pending

Investigating the morphology of the supernova remnant G349.7+00.2 in the medium with a density gradient

Chun-Yan Lu, Huan Yu, Jing-Wen Yan, Jun Fang, Lu Wen

arxiv:2004.06992 v1 · 2020-04-15 · 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{UEUYYP4MWJZLOHVUEWXO7VFFA3}

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	2026-07-05T01:38:35.907098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1298c3f8cb272b71eb425aeefd4a506df79d98a190ea7fb42986fde4b7c57c4

Aliases

arxiv: 2004.06992 · arxiv_version: 2004.06992v1 · doi: 10.48550/arxiv.2004.06992 · pith_short_12: UEUYYP4MWJZL · pith_short_16: UEUYYP4MWJZLOHVU · pith_short_8: UEUYYP4M

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/UEUYYP4MWJZLOHVUEWXO7VFFA3 \
  | 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: a1298c3f8cb272b71eb425aeefd4a506df79d98a190ea7fb42986fde4b7c57c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0569b59365239f9baa306cd114f04eea1c1d5bd0f684d1dc75e08d94538464c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-04-15T10:37:55Z",
    "title_canon_sha256": "ff6895ef66670ba1ebe2754b9c8568d2163870a3f671255ca6e774b948ce9b2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06992",
    "kind": "arxiv",
    "version": 1
  }
}