Pith Number

pith:ASUB4TX5

pith:2011:ASUB4TX5UXTTK5N7U5VHWY7K2W

not attested not anchored not stored refs pending

Pan-STARRS1 Discovery of Two Ultra-Luminous Supernovae at z ~ 0.9

A. M. Soderberg, A. Rest, A. Riess, C. W. Stubbs, D. C. Martin, E. A. Magnier, E. Berger, G. Narayan, H. Flewelling, I. Czekala, J. D. Neill, J. L. Tonry, J. S. Morgan, K. C. Chambers, K. C. Roth, K. Forster, L. Chomiuk, M. E. Huber, N. E. Sanders, N. Kaiser, P. A. Price, R. A. Chevalier, R. Chornock, R. J. Foley, R. J. Wainscoat, R. P. Kirshner, R. P. Kudritzki, S. A. Rodney, S. Gezari, S. J. Smartt, W. M. Wood-Vasey, W. S. Burgett

arxiv:1107.3552 v2 · 2011-07-18 · astro-ph.HE · astro-ph.CO · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ASUB4TX5UXTTK5N7U5VHWY7K2W}

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	2026-05-18T02:01:15.323153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04a81e4efda5e73575bfa76a7b63ead597df1314eaeff6e0ef99f75a64be7e49

Aliases

arxiv: 1107.3552 · arxiv_version: 1107.3552v2 · doi: 10.48550/arxiv.1107.3552 · pith_short_12: ASUB4TX5UXTT · pith_short_16: ASUB4TX5UXTTK5N7 · pith_short_8: ASUB4TX5

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/ASUB4TX5UXTTK5N7U5VHWY7K2W \
  | 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: 04a81e4efda5e73575bfa76a7b63ead597df1314eaeff6e0ef99f75a64be7e49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2f7c8a30432a5d86000191c37da2f58c6eedfc2718768619742e5c5cc094c74",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-07-18T20:00:00Z",
    "title_canon_sha256": "0b62e324c567a66de93a89ac81a5300d6ea349a77ca1c1421bcd1019286ffd5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3552",
    "kind": "arxiv",
    "version": 2
  }
}