Pith Number

pith:45BX55NS

pith:2015:45BX55NSUH5OMR6VRNZERB7LFT

not attested not anchored not stored refs pending

Did the progenitor of SN2011dh have a binary companion?

A. Horesh, C. Georgy, I. Arcavi, J.J. Eldridge, J.R. Maund, M. Ergon, R.G. Izzard, R.J. Stancliffe, S.B. Cenko

arxiv:1509.06018 v1 · 2015-09-20 · astro-ph.SR · 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{45BX55NSUH5OMR6VRNZERB7LFT}

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	2026-05-18T01:29:44.528062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7437ef5b2a1fae647d58b724887eb2cf80feff30e4ae38468d5a7a113362b32

Aliases

arxiv: 1509.06018 · arxiv_version: 1509.06018v1 · doi: 10.48550/arxiv.1509.06018 · pith_short_12: 45BX55NSUH5O · pith_short_16: 45BX55NSUH5OMR6V · pith_short_8: 45BX55NS

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/45BX55NSUH5OMR6VRNZERB7LFT \
  | 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: e7437ef5b2a1fae647d58b724887eb2cf80feff30e4ae38468d5a7a113362b32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c894552c5650097f6a904489294e062ea0773343d117b99c9587da6dd9182b14",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-20T14:13:50Z",
    "title_canon_sha256": "f0184aa18a1160c706778cfadec261c95c3fc25a50e367a92c1c446a1d88917d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06018",
    "kind": "arxiv",
    "version": 1
  }
}