Pith Number

pith:7WTXJKUV

pith:2020:7WTXJKUVZGD4EUXKTNZKIX6W55

not attested not anchored not stored refs pending

Modeling the mixed-morphology supernova remnant IC 443. Origin of its complex morphology and X-ray emission

A. Tutone, E. Greco, F. Bocchino, G. Peres, M. Miceli, S. Orlando, S. Ustamujic

arxiv:2012.08017 v2 · 2020-12-15 · 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{7WTXJKUVZGD4EUXKTNZKIX6W55}

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	2026-07-05T02:37:33.163816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fda774aa95c987c252ea9b72a45fd6ef4f82c878def3d5fd7b6734753e7afd79

Aliases

arxiv: 2012.08017 · arxiv_version: 2012.08017v2 · doi: 10.48550/arxiv.2012.08017 · pith_short_12: 7WTXJKUVZGD4 · pith_short_16: 7WTXJKUVZGD4EUXK · pith_short_8: 7WTXJKUV

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/7WTXJKUVZGD4EUXKTNZKIX6W55 \
  | 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: fda774aa95c987c252ea9b72a45fd6ef4f82c878def3d5fd7b6734753e7afd79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3441c9dc68030bd9d71e3e517ad4f2c9abacf2456bfa7495bfeb4f2459d1968",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-12-15T00:13:17Z",
    "title_canon_sha256": "8f104dda58b56416fdb9655b383d04108d0c5e9d56813daf82dc2327d45c3de6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08017",
    "kind": "arxiv",
    "version": 2
  }
}