Pith Number

pith:YJUV7DLZ

pith:2009:YJUV7DLZQWVUXVHA6GQCVPHDSV

not attested not anchored not stored refs pending

Testing the Gamma-Ray Burst Pulse Start Conjecture

Jon Hakkila, Robert J. Nemiroff

arxiv:0909.0755 v1 · 2009-09-03 · 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{YJUV7DLZQWVUXVHA6GQCVPHDSV}

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	2026-05-18T02:34:36.491048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2695f8d7985ab4bd4e0f1a02abce395466de5fac96c90977b0037f404985298

Aliases

arxiv: 0909.0755 · arxiv_version: 0909.0755v1 · doi: 10.48550/arxiv.0909.0755 · pith_short_12: YJUV7DLZQWVU · pith_short_16: YJUV7DLZQWVUXVHA · pith_short_8: YJUV7DLZ

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/YJUV7DLZQWVUXVHA6GQCVPHDSV \
  | 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: c2695f8d7985ab4bd4e0f1a02abce395466de5fac96c90977b0037f404985298

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10e2c67de7c204747a80553f732337799bf0348ea3bc5775e21f3951126e46bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-03T20:37:41Z",
    "title_canon_sha256": "cd5d21d94c12a5c79f28d976a79c63c7366115ee9bb380096db1c527e6da8491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0755",
    "kind": "arxiv",
    "version": 1
  }
}