Pith Number

pith:PTBCKP4X

pith:2021:PTBCKP4XZW2643JNWOEVG3BY6V

not attested not anchored not stored refs pending

Supernovae Producing Unbound Binaries and Triples

C. S. Kochanek (Department of Astronomy, The Ohio State University)

arxiv:2107.13559 v1 · 2021-07-28 · 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{PTBCKP4XZW2643JNWOEVG3BY6V}

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	2026-07-05T03:16:22.145350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cc2253f97cdb5ee6d2db389536c38f567a8bff2d62f9d4a9c4e37055763a69b

Aliases

arxiv: 2107.13559 · arxiv_version: 2107.13559v1 · doi: 10.48550/arxiv.2107.13559 · pith_short_12: PTBCKP4XZW26 · pith_short_16: PTBCKP4XZW2643JN · pith_short_8: PTBCKP4X

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/PTBCKP4XZW2643JNWOEVG3BY6V \
  | 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: 7cc2253f97cdb5ee6d2db389536c38f567a8bff2d62f9d4a9c4e37055763a69b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8be1b8f69ff5d5841835a38f1924d490d24857cb4eb1999b04f1cca8b799d9d8",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-07-28T18:00:01Z",
    "title_canon_sha256": "0c2655df0a69fda95355eb33c90a2cf005f5c4fd1a37740f7480bcb1b58b7904"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.13559",
    "kind": "arxiv",
    "version": 1
  }
}