Pith Number

pith:M3QEGJVW

pith:2021:M3QEGJVW7B7VQ77IOLXYEEQABC

not attested not anchored not stored refs pending

Investigating the energy distribution of the high-energy particles in the Crab nebula

Huan Yu, Jun Fang, Ke-Yao Wu, Lu Wen

arxiv:2109.00743 v3 · 2021-09-02 · 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{M3QEGJVW7B7VQ77IOLXYEEQABC}

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	2026-07-05T03:45:42.039574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66e04326b6f87f587fe872ef82120008b6058d424ebbe8195ac42dd9d6eb5a16

Aliases

arxiv: 2109.00743 · arxiv_version: 2109.00743v3 · doi: 10.48550/arxiv.2109.00743 · pith_short_12: M3QEGJVW7B7V · pith_short_16: M3QEGJVW7B7VQ77I · pith_short_8: M3QEGJVW

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/M3QEGJVW7B7VQ77IOLXYEEQABC \
  | 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: 66e04326b6f87f587fe872ef82120008b6058d424ebbe8195ac42dd9d6eb5a16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb2374b76e1e6a82d94053038ba1fc557a0d07e4387f94212128a2f45cf4b20c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-09-02T06:47:15Z",
    "title_canon_sha256": "c54cdf88aa9637a04b8e7c5a010e8939ee7baef6a801e18e2712ac141f451208"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.00743",
    "kind": "arxiv",
    "version": 3
  }
}