Pith Number

pith:R5BNZCEO

pith:2017:R5BNZCEOKCM5D4RMHRX2DCOMZT

not attested not anchored not stored refs pending

The Three-Dimensional Expansion of the Ejecta from Tycho's Supernova Remnant

Brian J. Williams, Hiroya Yamaguchi, Ivo R. Seitenzahl, John M. Blondin, John W. Hewitt, Joseph DePasquale, Kazimierz J. Borkowski, Nina M. Coyle, Parviz Ghavamian, Robert Petre, Stephen P. Reynolds

arxiv:1705.05405 v1 · 2017-05-15 · 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{R5BNZCEOKCM5D4RMHRX2DCOMZT}

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	2026-05-18T00:41:58.924181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f42dc888e5099d1f22c3c6fa189ccccf192028aae1101363c60d97ffd4edb6b

Aliases

arxiv: 1705.05405 · arxiv_version: 1705.05405v1 · doi: 10.48550/arxiv.1705.05405 · pith_short_12: R5BNZCEOKCM5 · pith_short_16: R5BNZCEOKCM5D4RM · pith_short_8: R5BNZCEO

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/R5BNZCEOKCM5D4RMHRX2DCOMZT \
  | 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: 8f42dc888e5099d1f22c3c6fa189ccccf192028aae1101363c60d97ffd4edb6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bf2cf313f66cf8337722d3029cc0953315031eea57d19c76f754f170a1b2adf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-05-15T18:30:07Z",
    "title_canon_sha256": "1bd91fd1f17badd63a1da5ae6928a2505e242457f5bc9629dbd3170de4ebe976"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05405",
    "kind": "arxiv",
    "version": 1
  }
}