Pith Number

pith:L2QYAEK7

pith:2015:L2QYAEK7WUDMGXWHWFHC2EZFX2

not attested not anchored not stored refs pending

The radio afterglow of Swift J1644+57 reveals a powerful jet with fast core and slow sheath

B. D. Metzger, D. Giannios, M. A. Aloy, P. Mimica

arxiv:1501.00361 v2 · 2015-01-02 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2QYAEK7WUDMGXWHWFHC2EZFX2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:03:34.823181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ea180115fb506c35ec7b14e2d1325bea6488c7f7cd02a43fb44d66b46caa152

Aliases

arxiv: 1501.00361 · arxiv_version: 1501.00361v2 · doi: 10.48550/arxiv.1501.00361 · pith_short_12: L2QYAEK7WUDM · pith_short_16: L2QYAEK7WUDMGXWH · pith_short_8: L2QYAEK7

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/L2QYAEK7WUDMGXWHWFHC2EZFX2 \
  | 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: 5ea180115fb506c35ec7b14e2d1325bea6488c7f7cd02a43fb44d66b46caa152

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b89cb429df34e34e9397b077003e861fd7d3a2af859306c8e2a18d78f3f4386b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-01-02T08:21:58Z",
    "title_canon_sha256": "01b82dbfbfebd94a6890b1716366050ad7e04443cec96a6282d043aee819bbea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00361",
    "kind": "arxiv",
    "version": 2
  }
}