Pith Number

pith:V7XUNDCB

pith:2011:V7XUNDCB6LCU45B6S5VNQKCJC7

not attested not anchored not stored refs pending

Radio Imaging of SN 1993J: The Story Continues

A. J. Beasley, D. A. Graham, G. Umana, J. Conway, M. F. Bietenholz, M. P. Rupen, N. Bartel, T. Venturi, V. V. Dwarkadas, W. Cannon

arxiv:1103.1783 v1 · 2011-03-09 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V7XUNDCB6LCU45B6S5VNQKCJC7}

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	2026-05-18T04:27:05.791617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afef468c41f2c54e743e976ad8284917d770d06c3cacf734ce07e517b9f7988b

Aliases

arxiv: 1103.1783 · arxiv_version: 1103.1783v1 · doi: 10.48550/arxiv.1103.1783 · pith_short_12: V7XUNDCB6LCU · pith_short_16: V7XUNDCB6LCU45B6 · pith_short_8: V7XUNDCB

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/V7XUNDCB6LCU45B6S5VNQKCJC7 \
  | 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: afef468c41f2c54e743e976ad8284917d770d06c3cacf734ce07e517b9f7988b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "567a4232d75a052a1e9c9314af65a3d225231315f0ce946697ab74ebf7c28130",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-09T13:52:05Z",
    "title_canon_sha256": "4cd1fb9097298dc103836ae7cb1edb8c0522aec52e2e5953ea3cdf424b3b3111"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1783",
    "kind": "arxiv",
    "version": 1
  }
}