Pith Number

pith:FUTYYJ4A

pith:2022:FUTYYJ4AQEA6VNFSY4PJEDUW37

not attested not anchored not stored refs pending

Evidence for past interaction with an asymmetric circumstellar shell in the young SNR Cassiopeia A

A. Wongwathanarat, D.J. Patnaude, D. Milisavljevic, F. Bocchino, G. Peres, H.-T. Janka, J. Vink, M. Miceli, M. Ono, S. Nagataki, S. Orlando

arxiv:2202.01643 v2 · 2022-02-03 · 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{FUTYYJ4AQEA6VNFSY4PJEDUW37}

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	2026-07-05T05:01:18.729256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d278c27808101eab4b2c71e920e96dfd1d17011c83a11a3de05bb4d0fad2d01

Aliases

arxiv: 2202.01643 · arxiv_version: 2202.01643v2 · doi: 10.48550/arxiv.2202.01643 · pith_short_12: FUTYYJ4AQEA6 · pith_short_16: FUTYYJ4AQEA6VNFS · pith_short_8: FUTYYJ4A

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/FUTYYJ4AQEA6VNFSY4PJEDUW37 \
  | 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: 2d278c27808101eab4b2c71e920e96dfd1d17011c83a11a3de05bb4d0fad2d01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6a6bf26468dbfaa0bf22753ead846bd99dde22dadb9f3dd0bfc66afed5bf58c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-02-03T15:36:29Z",
    "title_canon_sha256": "b419ca16f909405a7ae3eea9b69a9ba6ba551eebe9ac3afc6784b96792b6c736"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.01643",
    "kind": "arxiv",
    "version": 2
  }
}