Pith Number

pith:4O5MHQTV

pith:2021:4O5MHQTVEMGUMGCHWEU34HHFAQ

not attested not anchored not stored refs pending

Spatially Resolved X-ray Study of Supernova Remnant G306.3$-$0.9 with Unusually High Calcium Abundance

Hagai B. Perets, Jacco Vink, Jianbin Weng, Ken'ichi Nomoto, Ping Zhou, Shing-Chi Leung, Silvia Toonen, Yang Chen, Yossef Zenati

arxiv:2110.10181 v2 · 2021-10-19 · 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{4O5MHQTVEMGUMGCHWEU34HHFAQ}

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	2026-07-05T03:51:10.764238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3bac3c275230d461847b129be1ce504399afd94699b510ad55980c388a69715

Aliases

arxiv: 2110.10181 · arxiv_version: 2110.10181v2 · doi: 10.48550/arxiv.2110.10181 · pith_short_12: 4O5MHQTVEMGU · pith_short_16: 4O5MHQTVEMGUMGCH · pith_short_8: 4O5MHQTV

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/4O5MHQTVEMGUMGCHWEU34HHFAQ \
  | 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: e3bac3c275230d461847b129be1ce504399afd94699b510ad55980c388a69715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1af924be95306620ceae88eadfbe168e1e8d22d636b99e0bbbd0e5140cc30e57",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-10-19T18:00:42Z",
    "title_canon_sha256": "ff5183849059d9c746a35c95d3241e3e610e47cac5764ddfda08edf49b460a8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.10181",
    "kind": "arxiv",
    "version": 2
  }
}