Pith Number

pith:LASSV5KQ

pith:2013:LASSV5KQZHJJQ64UGWWFB2S63K

not attested not anchored not stored refs pending

High-resolution radio observations of SNR 1987A at high frequencies

A. K. Tzioumis, B. M. Gaensler, C. -Y. Ng, Giovanna Zanardo, L. Staveley-Smith, R. N. Manchester, T. M. Potter

arxiv:1301.6527 v2 · 2013-01-28 · 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{LASSV5KQZHJJQ64UGWWFB2S63K}

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	2026-05-18T03:28:55.861177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58252af550c9d2987b9435ac50ea5eda8a39b59defa86fb053758b4cf9aede7b

Aliases

arxiv: 1301.6527 · arxiv_version: 1301.6527v2 · doi: 10.48550/arxiv.1301.6527 · pith_short_12: LASSV5KQZHJJ · pith_short_16: LASSV5KQZHJJQ64U · pith_short_8: LASSV5KQ

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/LASSV5KQZHJJQ64UGWWFB2S63K \
  | 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: 58252af550c9d2987b9435ac50ea5eda8a39b59defa86fb053758b4cf9aede7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7b2d869f791a854d0a9684bddc743fb418200dbbc12aab1cae5546b226519c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-28T12:37:31Z",
    "title_canon_sha256": "d7d8f02783d0fe6aef0bac8d5b09a54484485b5acc688c6d44c271432fafe545"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6527",
    "kind": "arxiv",
    "version": 2
  }
}