Pith Number

pith:RXEA5LKH

pith:2009:RXEA5LKH5SQPAGPTPQYKT2VHEY

not attested not anchored not stored refs pending

Towards the Properties of Long Gamma-Ray Burst Progenitors with Swift Data

Bin-Bin Zhang (UNLV), En-Wei Liang (GXU), Hou-Jun LV (GXU), Ren-Xin Xu (PKU), Xiao-Hong Cui (PKU)

arxiv:0909.5247 v1 · 2009-09-29 · 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{RXEA5LKH5SQPAGPTPQYKT2VHEY}

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	2026-05-18T02:11:36.596957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dc80ead47eca0f019f37c30a9eaa7261c73cd7e614b7fc5cbd18b6beacaf53f

Aliases

arxiv: 0909.5247 · arxiv_version: 0909.5247v1 · doi: 10.48550/arxiv.0909.5247 · pith_short_12: RXEA5LKH5SQP · pith_short_16: RXEA5LKH5SQPAGPT · pith_short_8: RXEA5LKH

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/RXEA5LKH5SQPAGPTPQYKT2VHEY \
  | 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: 8dc80ead47eca0f019f37c30a9eaa7261c73cd7e614b7fc5cbd18b6beacaf53f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f02544e1ed227f45b821d811cfc5eaaea313a56bf797ddd5639cf4fe8f43eb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-29T02:05:44Z",
    "title_canon_sha256": "215189f6458d22021fad6d79e385d949c6f173a3908281abcc895fb2ca7cc2f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5247",
    "kind": "arxiv",
    "version": 1
  }
}