Pith Number

pith:IL4SG73L

pith:2017:IL4SG73LEYKF7PUSL5CKIWPIQ5

not attested not anchored not stored refs pending

Morphological properties of the Crab Nebula: a detailed multiwavelength study based on new VLA, HST, Chandra and XMM-Newton images

A. Talavera, G. Castelletti, G. Dubner, G. G. Pavlov, M. Bietenholz, O. Kargaltsev

arxiv:1704.02968 v1 · 2017-04-10 · 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{IL4SG73LEYKF7PUSL5CKIWPIQ5}

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	2026-05-18T00:43:50.800643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42f9237f6b26145fbe925f44a459e887504a511baa29c734242ecbe1bcffcc12

Aliases

arxiv: 1704.02968 · arxiv_version: 1704.02968v1 · doi: 10.48550/arxiv.1704.02968 · pith_short_12: IL4SG73LEYKF · pith_short_16: IL4SG73LEYKF7PUS · pith_short_8: IL4SG73L

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/IL4SG73LEYKF7PUSL5CKIWPIQ5 \
  | 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: 42f9237f6b26145fbe925f44a459e887504a511baa29c734242ecbe1bcffcc12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac549e0ac9e219ec7664a05e87528681ddb118cf1383aec9977bef62db5a66ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-04-10T17:52:55Z",
    "title_canon_sha256": "7207e2ffaca34e3992759f8990d28953fccc73b2e13ebcba2c9e5394e1298a15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02968",
    "kind": "arxiv",
    "version": 1
  }
}