Pith Number

pith:2LQXNHB7

pith:2010:2LQXNHB764RKZ56WDISEDAGC4H

not attested not anchored not stored refs pending

Expansion Velocity of Ejecta in Tycho's Supernova Remnant Measured by Doppler Broadened X-ray Line Emission

Akihiro Furuzawa, Asami Hayato, Aya Bamba, Hideyo Kunieda, Hiroya Yamaguchi, John Patrick Hughes, Kazuo Makishima, Kenzo Kinugasa, Midori Ozawa, Satoru Katsuda, Toru Tamagawa, Una Hwang, Yukikatsu Terada

arxiv:1009.6031 v1 · 2010-09-30 · 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{2LQXNHB764RKZ56WDISEDAGC4H}

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	2026-05-18T02:05:13.269190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2e1769c3ff722acf7d61a244180c2e1d931b71aaccc11e3bb8c7ee455ad441d

Aliases

arxiv: 1009.6031 · arxiv_version: 1009.6031v1 · doi: 10.48550/arxiv.1009.6031 · pith_short_12: 2LQXNHB764RK · pith_short_16: 2LQXNHB764RKZ56W · pith_short_8: 2LQXNHB7

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/2LQXNHB764RKZ56WDISEDAGC4H \
  | 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: d2e1769c3ff722acf7d61a244180c2e1d931b71aaccc11e3bb8c7ee455ad441d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d54b8ec8669568cb5c0ab3a6ddc0245f9c1827a6aaef8a53c20dc8b4e5e3f8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-09-30T02:28:18Z",
    "title_canon_sha256": "9c2e1c1e23d54e74877f4935cabf5406021ef6913465b4bddd0c711b2a1fe596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.6031",
    "kind": "arxiv",
    "version": 1
  }
}