Pith Number

pith:P7DWHKRQ

pith:2013:P7DWHKRQBUQ4MISOWH7Y4UF664

not attested not anchored not stored refs pending

New constraints on GRB jet geometry and relativistic shock physics

A. Cucchiara, A. Gomboc, A. Melandri, A. Rau, B.A. Zauderer, B. Kumar, C.G. Mundell, C. Guidorzi, C. J. Mottram, D. Bersier, D. Kopac, D. Malesani, E. Berger, F. Virgili, I.A. Steele, J. Greiner, J. Japelj, N.R. Tanvir, P.T. O'Brien, R. Harrison, R.J. Smith, R. Margutti, S.B. Pandey, S. Kobayashi, V. D'Elia, V. Sudilovsky

arxiv:1311.4340 v1 · 2013-11-18 · 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{P7DWHKRQBUQ4MISOWH7Y4UF664}

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	2026-05-18T03:00:25.498542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fc763aa300d21c6224eb1ff8e50bef73903052d18455489ef1ed25f94147ef8

Aliases

arxiv: 1311.4340 · arxiv_version: 1311.4340v1 · doi: 10.48550/arxiv.1311.4340 · pith_short_12: P7DWHKRQBUQ4 · pith_short_16: P7DWHKRQBUQ4MISO · pith_short_8: P7DWHKRQ

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/P7DWHKRQBUQ4MISOWH7Y4UF664 \
  | 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: 7fc763aa300d21c6224eb1ff8e50bef73903052d18455489ef1ed25f94147ef8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9538e8f6e7bb0d2a781206ea07ea92c4ae06c2f1d01e9b5a23f47c5778bf166",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-18T11:29:36Z",
    "title_canon_sha256": "41183da03d2cc36c6f6057a04bc155cc7bf34f739f254f571fdbadf8805b747c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4340",
    "kind": "arxiv",
    "version": 1
  }
}