Pith Number

pith:AJGJIT3Z

pith:2009:AJGJIT3ZXZ7CPN7F4ICVSYMEJZ

not attested not anchored not stored refs pending

SN 2008iy: An Unusual Type IIn Supernova with an Enduring 400 Day Rise Time

2), (2) Harvard CfA, (3) LBNL), A. A. Miller (1), A. V. Filippenko (1), C. R. Klein (1), J. M. Silverman (1), J. S. Bloom (1), M. Ganeshalingam (1), N. R. Butler (1), N. Smith (1), P. E. Nugent (3), R. Chornock (1, T. N. Steele (1) ((1) UC Berkeley, W. Li (1)

arxiv:0911.4719 v2 · 2009-11-25 · astro-ph.HE · 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{AJGJIT3ZXZ7CPN7F4ICVSYMEJZ}

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	2026-05-18T04:30:26.484537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

024c944f79be7e27b7e5e2055961844e5f152affbafcd1fed72349f0adc81db3

Aliases

arxiv: 0911.4719 · arxiv_version: 0911.4719v2 · doi: 10.48550/arxiv.0911.4719 · pith_short_12: AJGJIT3ZXZ7C · pith_short_16: AJGJIT3ZXZ7CPN7F · pith_short_8: AJGJIT3Z

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/AJGJIT3ZXZ7CPN7F4ICVSYMEJZ \
  | 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: 024c944f79be7e27b7e5e2055961844e5f152affbafcd1fed72349f0adc81db3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fd8feacffea7ab6e1e0fe4cd0849f9ce20141845b87ef890b2d42a716c5b37e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-25T10:32:29Z",
    "title_canon_sha256": "87212f14d8329fb60aa7444de1aeb5ff4dde3627aec3036448a6f5211432ad22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4719",
    "kind": "arxiv",
    "version": 2
  }
}