Pith Number

pith:7KYIOHST

pith:2020:7KYIOHSTXHNR7O3RGP6P2P4Z2Q

not attested not anchored not stored refs pending

Progenitor, Precursor and Evolution of the Dusty Remnant of the Stellar Merger M31-LRN-2015

Christopher S. Kochanek, Frank Masci, Heather Campbell, Jacob E. Jencson, Joel Johansson, Mansi M. Kasliwal, Nadejda Blagorodnova, Peter Nugent, Russ R. Laher, Scott M. Adams, Simon Hodgkin, Subo Dong, Szymon Kozlowski, Umaa D. Rebbapragada, Viraj Karambelkar

arxiv:2004.04757 v2 · 2020-04-09 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KYIOHSTXHNR7O3RGP6P2P4Z2Q}

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	2026-07-05T01:16:48.622374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fab0871e53b9db1fbb7133fcfd3f99d41eca6f9ecface04d2a99a8aa6ca955ae

Aliases

arxiv: 2004.04757 · arxiv_version: 2004.04757v2 · doi: 10.48550/arxiv.2004.04757 · pith_short_12: 7KYIOHSTXHNR · pith_short_16: 7KYIOHSTXHNR7O3R · pith_short_8: 7KYIOHST

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/7KYIOHSTXHNR7O3RGP6P2P4Z2Q \
  | 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: fab0871e53b9db1fbb7133fcfd3f99d41eca6f9ecface04d2a99a8aa6ca955ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9123d412546b05cae8958df015b95f984b68c81534aa296f32dd1852fb1ca340",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-04-09T18:01:04Z",
    "title_canon_sha256": "2cf931f29304529e20a66156e63148f5fbcbc37620cdaaadd189c89e140003f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.04757",
    "kind": "arxiv",
    "version": 2
  }
}