Pith Number

pith:OGFFFQEA

pith:2017:OGFFFQEAILOCZQ4Q7W3DWON44G

not attested not anchored not stored refs pending

On the Nova Rate in M87

A. Kundu, A. W. Shafter, M. Henze

arxiv:1712.05818 v1 · 2017-12-15 · 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{OGFFFQEAILOCZQ4Q7W3DWON44G}

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	2026-05-18T00:27:51.820830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

718a52c08042dc2cc390fdb63b39bce1b771e95d5d91782c1de119db5de15b3a

Aliases

arxiv: 1712.05818 · arxiv_version: 1712.05818v1 · doi: 10.48550/arxiv.1712.05818 · pith_short_12: OGFFFQEAILOC · pith_short_16: OGFFFQEAILOCZQ4Q · pith_short_8: OGFFFQEA

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/OGFFFQEAILOCZQ4Q7W3DWON44G \
  | 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: 718a52c08042dc2cc390fdb63b39bce1b771e95d5d91782c1de119db5de15b3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "635d76fef74a8ba6789597509ac6767b024197850611c51a7f2486ecf4a67024",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-15T19:29:35Z",
    "title_canon_sha256": "a935485570a10f87a19da67ffc0d497982a0fe41d745c086b396089cb449f1dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05818",
    "kind": "arxiv",
    "version": 1
  }
}