Pith Number

pith:WY3NEAU3

pith:2009:WY3NEAU3CBLE2O4IY7F6KOQWPA

not attested not anchored not stored refs pending

Testing a new view of Gamma Ray Burst Afterglows

A. Celotti, G. Ghirlanda, G. Ghisellini, M. Nardini

arxiv:0907.4157 v2 · 2009-07-23 · 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{WY3NEAU3CBLE2O4IY7F6KOQWPA}

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	2026-05-18T02:12:54.161203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b636d2029b10564d3b88c7cbe53a16780c124b926761b48ecee05ba92a07e902

Aliases

arxiv: 0907.4157 · arxiv_version: 0907.4157v2 · doi: 10.48550/arxiv.0907.4157 · pith_short_12: WY3NEAU3CBLE · pith_short_16: WY3NEAU3CBLE2O4I · pith_short_8: WY3NEAU3

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/WY3NEAU3CBLE2O4IY7F6KOQWPA \
  | 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: b636d2029b10564d3b88c7cbe53a16780c124b926761b48ecee05ba92a07e902

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c70ff3c58c8af3244bae5608ae02477ea49cc98ed47013bf6648567b5a52c511",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-07-23T20:11:41Z",
    "title_canon_sha256": "3fe6879379083f1563211625c5926ccbcd5dfd70bf3841bb7bfaa0f2e596a4ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4157",
    "kind": "arxiv",
    "version": 2
  }
}