Pith Number

pith:VHJDNDGZ

pith:2019:VHJDNDGZLC7DYUQ7474GZ5OD62

not attested not anchored not stored refs pending

Dust destruction by the reverse shock in the clumpy supernova remnant Cassiopeia A based on hydrodynamic simulations

Antonia Bevan, Erica L. Fogerty, Felix D. Priestley, Florian Kirchschlager, Franziska D. Schmidt, M. J. Barlow

arxiv:1909.09068 v1 · 2019-09-19 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHJDNDGZLC7DYUQ7474GZ5OD62}

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	2026-07-05T00:05:47.903785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9d2368cd958be3c521fe7f86cf5c3f6aa1b1a3a8383e4dc6c4f7a580eadb3c4

Aliases

arxiv: 1909.09068 · arxiv_version: 1909.09068v1 · doi: 10.48550/arxiv.1909.09068 · pith_short_12: VHJDNDGZLC7D · pith_short_16: VHJDNDGZLC7DYUQ7 · pith_short_8: VHJDNDGZ

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/VHJDNDGZLC7DYUQ7474GZ5OD62 \
  | 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: a9d2368cd958be3c521fe7f86cf5c3f6aa1b1a3a8383e4dc6c4f7a580eadb3c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14450ad31d17277db5f962ab7b9ae6114b8a28ab86440606e4e5ff5cda5bb439",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-09-19T16:07:39Z",
    "title_canon_sha256": "17b02e0da2fe8805c4cd6f4ec7176c866f2a8a0e3c77fd03dc860a67737b4f21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09068",
    "kind": "arxiv",
    "version": 1
  }
}