Pith Number

pith:2KXNM4U6

pith:2020:2KXNM4U6MAAU4ILDOPEEKA3X2P

not attested not anchored not stored refs pending

The Search for Failed Supernovae with the Large Binocular Telescope: N6946-BH1, Still No Star

C. M. Basinger, C. S. Kochanek, K. Z. Stanek, S. M. Adams, X. Dai

arxiv:2007.15658 v1 · 2020-07-30 · astro-ph.SR · astro-ph.GA · 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{2KXNM4U6MAAU4ILDOPEEKA3X2P}

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	2026-07-05T03:17:44.935373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2aed6729e60014e216373c8450377d3d73fdfa2094a4258b2d1f24529b37337

Aliases

arxiv: 2007.15658 · arxiv_version: 2007.15658v1 · doi: 10.48550/arxiv.2007.15658 · pith_short_12: 2KXNM4U6MAAU · pith_short_16: 2KXNM4U6MAAU4ILD · pith_short_8: 2KXNM4U6

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/2KXNM4U6MAAU4ILDOPEEKA3X2P \
  | 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: d2aed6729e60014e216373c8450377d3d73fdfa2094a4258b2d1f24529b37337

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8d1a7ac3909651379b08a8e1a5daff1edaad07a0a120ad8d6b9727f4a963297",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-07-30T18:00:01Z",
    "title_canon_sha256": "54110a2a6e2f463b4220f1931ce81c4d6faa825797f5a9cde087cc065213f42d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.15658",
    "kind": "arxiv",
    "version": 1
  }
}