Pith Number

pith:7XLJRVSL

pith:2019:7XLJRVSL76KZFU3H3SGMGIWUFD

not attested not anchored not stored refs pending

Ionization age of iron ejecta in the Galactic Type Ia supernova remnant G306.3-0.9

Aya Bamba, Hideaki Matsumura, Hiroyuki Uchida, Katsuhiro Tachibana, Makoto Sawada, Takaaki Tanaka, Takeshi Go Tsuru, Yuta Ito

arxiv:1903.02554 v1 · 2019-03-06 · 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{7XLJRVSL76KZFU3H3SGMGIWUFD}

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	2026-05-17T23:47:25.751007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdd698d64bff9592d367dc8cc322d428ee6648521802718326e85b2b177a2ac3

Aliases

arxiv: 1903.02554 · arxiv_version: 1903.02554v1 · doi: 10.48550/arxiv.1903.02554 · pith_short_12: 7XLJRVSL76KZ · pith_short_16: 7XLJRVSL76KZFU3H · pith_short_8: 7XLJRVSL

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/7XLJRVSL76KZFU3H3SGMGIWUFD \
  | 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: fdd698d64bff9592d367dc8cc322d428ee6648521802718326e85b2b177a2ac3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0ed196c6758f855eca68dcbb360a59fad7e06a4b21cc4c24b0c8478047ddfe1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-06T19:00:00Z",
    "title_canon_sha256": "ef5673eb32b7dd3ae95f0b3624c314dbb1e865f99f6377838f8ea53e57b114f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02554",
    "kind": "arxiv",
    "version": 1
  }
}