Pith Number

pith:6GS7H5J3

pith:2019:6GS7H5J3FXRH2347LK6EZXRJY5

not attested not anchored not stored refs pending

The mass, location and heating of the dust in the Cassiopeia A supernova remnant

F. D. Priestley, I. De Looze, M. J. Barlow

arxiv:1902.01675 v1 · 2019-02-05 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6GS7H5J3FXRH2347LK6EZXRJY5}

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	2026-05-17T23:53:41.049656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1a5f3f53b2de27d6f9f5abc4cde29c741edaa34bebbb54a277ff52e00efc22a

Aliases

arxiv: 1902.01675 · arxiv_version: 1902.01675v1 · doi: 10.48550/arxiv.1902.01675 · pith_short_12: 6GS7H5J3FXRH · pith_short_16: 6GS7H5J3FXRH2347 · pith_short_8: 6GS7H5J3

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/6GS7H5J3FXRH2347LK6EZXRJY5 \
  | 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: f1a5f3f53b2de27d6f9f5abc4cde29c741edaa34bebbb54a277ff52e00efc22a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9997ae87a601b8b112012cf41c8071a3c97f448b8c8cdb5ec6c3209a442b841",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-05T13:47:24Z",
    "title_canon_sha256": "6041d6f3f3435bc8430312252ebc7dcf068167feac879b2b11416d631f3502a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01675",
    "kind": "arxiv",
    "version": 1
  }
}