Pith Number

pith:5NFH7JAP

pith:2022:5NFH7JAPYL75NWVEDIVODBXBTR

not attested not anchored not stored refs pending

On the nature of Fast Blue Optical Transients

Maxim Lyutikov (Purdue University)

arxiv:2204.08366 v4 · 2022-04-18 · 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{5NFH7JAPYL75NWVEDIVODBXBTR}

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	2026-07-05T04:35:47.501978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb4a7fa40fc2ffd6daa41a2ae186e19c6f65b55449fe9448c0a447f251fb1ff7

Aliases

arxiv: 2204.08366 · arxiv_version: 2204.08366v4 · doi: 10.48550/arxiv.2204.08366 · pith_short_12: 5NFH7JAPYL75 · pith_short_16: 5NFH7JAPYL75NWVE · pith_short_8: 5NFH7JAP

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/5NFH7JAPYL75NWVEDIVODBXBTR \
  | 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: eb4a7fa40fc2ffd6daa41a2ae186e19c6f65b55449fe9448c0a447f251fb1ff7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c514d6a60f30806598d475ffb83a0c1cb04e9ece31b06288bc0ebad4179901e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-04-18T15:22:23Z",
    "title_canon_sha256": "d2e0a12ffe460dcdc3e454a7b20aac2ebaef93ea907634fa255661ebd6f867ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.08366",
    "kind": "arxiv",
    "version": 4
  }
}