Pith Number

pith:BVZRJNU7

pith:2010:BVZRJNU7IKGVIT3RTFKFQQBEZJ

not attested not anchored not stored refs pending

Evolution of the Chandra CCD Spectra of SNR 1987A: Probing the Reflected-Shock Picture

David N. Burrows, Judith L. Racusin, Richard McCray, Sangwook Park, Svetozar A. Zhekov

arxiv:1005.1037 v1 · 2010-05-06 · 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{BVZRJNU7IKGVIT3RTFKFQQBEZJ}

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	2026-05-18T02:07:42.060311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d7314b69f428d544f719954584024ca71a92cf1fddd197ccf1603e010555d08

Aliases

arxiv: 1005.1037 · arxiv_version: 1005.1037v1 · doi: 10.48550/arxiv.1005.1037 · pith_short_12: BVZRJNU7IKGV · pith_short_16: BVZRJNU7IKGVIT3R · pith_short_8: BVZRJNU7

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/BVZRJNU7IKGVIT3RTFKFQQBEZJ \
  | 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: 0d7314b69f428d544f719954584024ca71a92cf1fddd197ccf1603e010555d08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "551db85608dbed0a2af7ce4cf0a7e36dbeefab1fe287010081bd10227ed6eef7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-05-06T16:34:43Z",
    "title_canon_sha256": "ad655fe0d6d036819eea556f93a81924699b3dad84eae2ef59de6a3959fcc353"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1037",
    "kind": "arxiv",
    "version": 1
  }
}