Pith Number

pith:ZGCL5U37

pith:2017:ZGCL5U37TU44OLXUB4ZFUPKLUY

not attested not anchored not stored refs pending

The superluminous supernova SN 2017egm in the nearby galaxy NGC 3191: a metal-rich environment can support a typical SLSN evolution

Edo Berger, James Guillochon, Joel Leja, Matt Nicholl, Peter K. Blanchard, Raffaella Margutti, Ryan Chornock

arxiv:1706.08517 v2 · 2017-06-27 · astro-ph.HE · astro-ph.CO · 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{ZGCL5U37TU44OLXUB4ZFUPKLUY}

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	2026-05-18T00:37:18.252170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c984bed37f9d39c72ef40f325a3d4ba61d81c303deb753d87d3ad09035ecc2d1

Aliases

arxiv: 1706.08517 · arxiv_version: 1706.08517v2 · doi: 10.48550/arxiv.1706.08517 · pith_short_12: ZGCL5U37TU44 · pith_short_16: ZGCL5U37TU44OLXU · pith_short_8: ZGCL5U37

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/ZGCL5U37TU44OLXUB4ZFUPKLUY \
  | 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: c984bed37f9d39c72ef40f325a3d4ba61d81c303deb753d87d3ad09035ecc2d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e802272ffed53c96920821dbbb0bcbe0f35f5d55754e2a02b4c7b0aa3f330ca",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-06-27T16:11:46Z",
    "title_canon_sha256": "6f381771ba8510e53246f506df09459f5ad18c2cf569d1b5d1e9237a50bcdee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.08517",
    "kind": "arxiv",
    "version": 2
  }
}