Pith Number

pith:F4VHA4JM

pith:2013:F4VHA4JM5FIXCLYBD6OL2SREV6

not attested not anchored not stored refs pending

A Decade-Baseline Study of the Plasma States of Ejecta Knots in Cassiopeia A

C. R. Canizares, Daniel Dewey, Enectali Figueroa-Feliciano, Fabienne A. Bastien, John Rutherford, Kosuke Sato, Sarah N. T. Heine

arxiv:1305.1581 v1 · 2013-05-07 · 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{F4VHA4JM5FIXCLYBD6OL2SREV6}

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	2026-05-18T03:26:21.295469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f2a70712ce951712f011f9cbd4a24af9163ce611107d5c95ad80290b1c3c185

Aliases

arxiv: 1305.1581 · arxiv_version: 1305.1581v1 · doi: 10.48550/arxiv.1305.1581 · pith_short_12: F4VHA4JM5FIX · pith_short_16: F4VHA4JM5FIXCLYB · pith_short_8: F4VHA4JM

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/F4VHA4JM5FIXCLYBD6OL2SREV6 \
  | 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: 2f2a70712ce951712f011f9cbd4a24af9163ce611107d5c95ad80290b1c3c185

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff534fc556f9955af6838c1200004d8ea92e1451163be96630f237c33359524b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-07T16:45:47Z",
    "title_canon_sha256": "fd7d0e21e1b38abb5f1d3f9ac79c6f0cf16cec005395ebbc0ba1386e539d8d85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1581",
    "kind": "arxiv",
    "version": 1
  }
}