Pith Number

pith:Y2MSP56S

pith:2017:Y2MSP56SJ6WQWMA6MNDBQIPYT5

not attested not anchored not stored refs pending

Optical and IR observations of SN 2013L, a Type IIn Supernova surrounded by asymmetric CSM

Curtis McCully, D.A. Howell, Jennifer E. Andrews, Nathan Smith, Ori D. Fox, S. Valenti

arxiv:1707.02538 v1 · 2017-07-09 · 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{Y2MSP56SJ6WQWMA6MNDBQIPYT5}

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	2026-05-18T00:36:28.744716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c69927f7d24fad0b301e63461821f89f5efb9ff4726122487f936f05b4fbc38b

Aliases

arxiv: 1707.02538 · arxiv_version: 1707.02538v1 · doi: 10.48550/arxiv.1707.02538 · pith_short_12: Y2MSP56SJ6WQ · pith_short_16: Y2MSP56SJ6WQWMA6 · pith_short_8: Y2MSP56S

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/Y2MSP56SJ6WQWMA6MNDBQIPYT5 \
  | 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: c69927f7d24fad0b301e63461821f89f5efb9ff4726122487f936f05b4fbc38b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dde0b64580669b4894f57d886a1e5e4cc8d55d7091f5c08ffaece926beb2fb61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-07-09T08:04:28Z",
    "title_canon_sha256": "9f8d7b47e84e76222da53927971e176f5b403e17483467448b61d915c8fe3e03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02538",
    "kind": "arxiv",
    "version": 1
  }
}