Pith Number

pith:EAP5XLTN

pith:2012:EAP5XLTNFRU7T6FNR2Q2R7ZKEO

not attested not anchored not stored refs pending

Strong Evolution of X-Ray Absorption in the Type IIn Supernova SN 2010jl

Alicia M. Soderberg, Christopher M. Irwin, Claes Fransson, Nikolai Chugai, Poonam Chandra, Roger A. Chevalier

arxiv:1203.1614 v1 · 2012-03-07 · 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{EAP5XLTNFRU7T6FNR2Q2R7ZKEO}

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	2026-05-18T01:58:13.476456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

201fdbae6d2c69f9f8ad8ea1a8ff2a238424f8c19dcbe6ecab7a497794ec7c46

Aliases

arxiv: 1203.1614 · arxiv_version: 1203.1614v1 · doi: 10.48550/arxiv.1203.1614 · pith_short_12: EAP5XLTNFRU7 · pith_short_16: EAP5XLTNFRU7T6FN · pith_short_8: EAP5XLTN

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/EAP5XLTNFRU7T6FNR2Q2R7ZKEO \
  | 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: 201fdbae6d2c69f9f8ad8ea1a8ff2a238424f8c19dcbe6ecab7a497794ec7c46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfede2f2cc5487a0c35c1334f244d0fb99861a48489f3b3875240e4694a415bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-03-07T21:00:01Z",
    "title_canon_sha256": "cd7203d7bb3d2835cf824287fed747ea4c7b4f8315447929b042fc24cff74345"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1614",
    "kind": "arxiv",
    "version": 1
  }
}