Pith Number

pith:F4YUJQIS

pith:2013:F4YUJQISK2K56DNHNSOEBLB4DR

not attested not anchored not stored refs pending

The Vela-X Pulsar Wind Nebula revisited with 4 years of Fermi-Large Area Telescope observations

A. K. Harding, L. Guillemot, M.-H. Grondin, M. Lemoine-Goumard, R. W. Romani, T. Reposeur

arxiv:1307.5480 v1 · 2013-07-20 · 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{F4YUJQISK2K56DNHNSOEBLB4DR}

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	2026-05-18T01:48:42.093949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f3144c1125695df0da76c9c40ac3c1c424e058a6c9d005bd0981d2ad5e41e14

Aliases

arxiv: 1307.5480 · arxiv_version: 1307.5480v1 · doi: 10.48550/arxiv.1307.5480 · pith_short_12: F4YUJQISK2K5 · pith_short_16: F4YUJQISK2K56DNH · pith_short_8: F4YUJQIS

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/F4YUJQISK2K56DNHNSOEBLB4DR \
  | 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: 2f3144c1125695df0da76c9c40ac3c1c424e058a6c9d005bd0981d2ad5e41e14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e8a66eb050467b1acf2bbf53729021299f7ec8d37d259182ce4c2ba15f4df84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-20T23:56:20Z",
    "title_canon_sha256": "95665f617a23995bcf720e65a23c530ede115dc2259b19604f05921e7beab540"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5480",
    "kind": "arxiv",
    "version": 1
  }
}