Pith Number

pith:NFJKEF2W

pith:2010:NFJKEF2WERYIKNZAZWDM2WCJW7

not attested not anchored not stored refs pending

On the very high energy spectrum of the Crab pulsar

G. Machabeli, N. Chkheidze, Z. Osmanov

arxiv:1012.3275 v1 · 2010-12-15 · 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{NFJKEF2WERYIKNZAZWDM2WCJW7}

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	2026-05-18T04:26:34.387828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6952a217562470853720cd86cd5849b7ca9d7039dbac7a45d50be89ac3bf8ca4

Aliases

arxiv: 1012.3275 · arxiv_version: 1012.3275v1 · doi: 10.48550/arxiv.1012.3275 · pith_short_12: NFJKEF2WERYI · pith_short_16: NFJKEF2WERYIKNZA · pith_short_8: NFJKEF2W

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/NFJKEF2WERYIKNZAZWDM2WCJW7 \
  | 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: 6952a217562470853720cd86cd5849b7ca9d7039dbac7a45d50be89ac3bf8ca4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93dea088aa300a4576148a135690894bd1f5aee8ecc166449c6609add991b70b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-12-15T10:58:22Z",
    "title_canon_sha256": "826625df09f8960db6f523ae3ead5cf8b3c13794f4ada86f1247b87a25c62de9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3275",
    "kind": "arxiv",
    "version": 1
  }
}