Pith Number

pith:G6TXOSSY

pith:2009:G6TXOSSY2OQKFCFS5UEQID4B2O

not attested not anchored not stored refs pending

The X-ray afterglow of GRB 081109A: clue to the wind bubble structure

A. Antonelli, D. M. Wei, D. Xu, P. D'Avanzo, S. Covino, Y. Z. Fan, Z. P. Jin

arxiv:0903.4476 v3 · 2009-03-26 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G6TXOSSY2OQKFCFS5UEQID4B2O}

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	2026-05-18T02:14:25.871942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37a7774a58d3a0a288b2ed09040f81d3b1c96f7998bb04611b411932f1fb8998

Aliases

arxiv: 0903.4476 · arxiv_version: 0903.4476v3 · doi: 10.48550/arxiv.0903.4476 · pith_short_12: G6TXOSSY2OQK · pith_short_16: G6TXOSSY2OQKFCFS · pith_short_8: G6TXOSSY

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/G6TXOSSY2OQKFCFS5UEQID4B2O \
  | 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: 37a7774a58d3a0a288b2ed09040f81d3b1c96f7998bb04611b411932f1fb8998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e0e33f45d19fc78621ad16914017a26cd4051dc3246f445d25ac7cc90c8ccd4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-03-26T18:47:10Z",
    "title_canon_sha256": "a8c2b04ea4c424d73fdcb8ec2c69b198aaa2753f96244d81a0ba4520e1944580"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4476",
    "kind": "arxiv",
    "version": 3
  }
}