Pith Number

pith:RB2LGYH3

pith:2019:RB2LGYH3H4FSMN42Q5JG5MSXZH

not attested not anchored not stored refs pending

Determining fireball fates using the $\alpha$-$\beta$ criterion

Benjamin A. D. Hartig, Eleanor K. Sansom, Hadrien A. R. Devillepoix, Maria Gritsevich, Martin C. Towner, Martin Cup\'ak, Patrick Shober, Phil A. Bland, Robert M. Howie, Trent Jansen-Sturgeon

arxiv:1909.11494 v1 · 2019-09-25 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RB2LGYH3H4FSMN42Q5JG5MSXZH}

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	2026-07-05T00:31:58.821597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8874b360fb3f0b26379a87526eb257c9e1eded946ead0092bdfebeb76e1e9219

Aliases

arxiv: 1909.11494 · arxiv_version: 1909.11494v1 · doi: 10.48550/arxiv.1909.11494 · pith_short_12: RB2LGYH3H4FS · pith_short_16: RB2LGYH3H4FSMN42 · pith_short_8: RB2LGYH3

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/RB2LGYH3H4FSMN42Q5JG5MSXZH \
  | 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: 8874b360fb3f0b26379a87526eb257c9e1eded946ead0092bdfebeb76e1e9219

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88fc962329a54eb63fa90461305ec5d56f18e5f5f1a27b50b8a38872673b0347",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-09-25T13:48:01Z",
    "title_canon_sha256": "46201eeeee27cb63607a680fad408c4cd638e5caeb94d20d3478c8c390e98e6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.11494",
    "kind": "arxiv",
    "version": 1
  }
}