Pith Number

pith:HC2LYLN4

pith:2015:HC2LYLN456X6GD4NEICLLBALU5

not attested not anchored not stored refs pending

Optical observations of the luminous Type IIn Supernova 2010jl for over 900 days

B. J. Shappee, C. S. Kochanek, J. E. Jencson, J. L. Prieto, K. Z. Stanek, R. W. Pogge

arxiv:1505.01186 v2 · 2015-05-05 · 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{HC2LYLN456X6GD4NEICLLBALU5}

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	2026-05-18T01:21:55.527300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38b4bc2dbcefafe30f8d2204b5840ba76a68d811d4e877dbff1be0b7dde938f0

Aliases

arxiv: 1505.01186 · arxiv_version: 1505.01186v2 · doi: 10.48550/arxiv.1505.01186 · pith_short_12: HC2LYLN456X6 · pith_short_16: HC2LYLN456X6GD4N · pith_short_8: HC2LYLN4

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/HC2LYLN456X6GD4NEICLLBALU5 \
  | 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: 38b4bc2dbcefafe30f8d2204b5840ba76a68d811d4e877dbff1be0b7dde938f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23c527b5f49e47feeb3bfe8991db8544815f658c7152333c3ca647b5957765b8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-05-05T21:06:28Z",
    "title_canon_sha256": "efa1c48cd452a64b62c67b9321dc25e2a443353b48f9fad7c3df008626613640"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01186",
    "kind": "arxiv",
    "version": 2
  }
}