Pith Number

pith:RTEE355A

pith:2010:RTEE355AR6LH46TLQIYTPWJ7FW

not attested not anchored not stored refs pending

Tycho SN 1572: A Naked Ia Supernova Remnant without Associated Ambient Molecular Cloud

Denis A. Leahy, Wenwu Tian

arxiv:1012.5673 v1 · 2010-12-27 · 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{RTEE355AR6LH46TLQIYTPWJ7FW}

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	2026-05-18T02:04:17.364541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cc84df7a08f967e7a6b823137d93f2d9ebd43b21d54f40b30bda20f5d9b4ab7

Aliases

arxiv: 1012.5673 · arxiv_version: 1012.5673v1 · doi: 10.48550/arxiv.1012.5673 · pith_short_12: RTEE355AR6LH · pith_short_16: RTEE355AR6LH46TL · pith_short_8: RTEE355A

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/RTEE355AR6LH46TLQIYTPWJ7FW \
  | 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: 8cc84df7a08f967e7a6b823137d93f2d9ebd43b21d54f40b30bda20f5d9b4ab7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15ebe5e068eb3a6021ed7a4db8382a78d8c0c6e21c73d353edba647148d74df8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-12-27T22:02:48Z",
    "title_canon_sha256": "2b6959b1c5eae22dd5666a05fe03b9a33af4a0fcd41b35dd7693ff2c33184fd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5673",
    "kind": "arxiv",
    "version": 1
  }
}