Pith Number

pith:3ZQHU2YB

pith:2015:3ZQHU2YBHDQD72DLKYSDSS64LD

not attested not anchored not stored refs pending

Optical observations of a SN 2002cx-like peculiar supernova SN 2013en in UGC 11369

Chuanjun Wang, Fabrizio Ciabattari, Jujia Zhang, Liang Chang, Lina Tomasella, Tianmeng Zhang, Xiaofeng Wang, Xulin Zhao, Yuxin Xin, Zheng-Wei Liu

arxiv:1506.02845 v1 · 2015-06-09 · astro-ph.SR · 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{3ZQHU2YBHDQD72DLKYSDSS64LD}

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	2026-05-18T01:37:07.236096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de607a6b0138e03fe86b5624394bdc58d76b6982da50843bd854074d1e9859ea

Aliases

arxiv: 1506.02845 · arxiv_version: 1506.02845v1 · doi: 10.48550/arxiv.1506.02845 · pith_short_12: 3ZQHU2YBHDQD · pith_short_16: 3ZQHU2YBHDQD72DL · pith_short_8: 3ZQHU2YB

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/3ZQHU2YBHDQD72DLKYSDSS64LD \
  | 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: de607a6b0138e03fe86b5624394bdc58d76b6982da50843bd854074d1e9859ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b568d6966bce846746b50b85e1e2d49b19bf0856341259532a873cfafd4cb6fa",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-09T10:07:19Z",
    "title_canon_sha256": "9a8eb0126e7e4b68edebb1c52fdfc4760bf4fd2fd159e5d149a702987568bf7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02845",
    "kind": "arxiv",
    "version": 1
  }
}