Pith Number

pith:FIJV7PC3

pith:2020:FIJV7PC3UNYUZRRM2NOHVUMZCY

not attested not anchored not stored refs pending

Jiamusi pulsar observations: III. Nulling of 20 pulsars

B. Dong, B. Y. Cai, C. Wang, D. J. Zhou, J. Han, J. L. Han, J. Xu, L. G. Hou, L. Han, P. F. Wang, T. Hong, T. Wang, X. Chen, X. Y. Gao, Y. Z. Yu

arxiv:2009.08637 v1 · 2020-09-18 · astro-ph.HE · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIJV7PC3UNYUZRRM2NOHVUMZCY}

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	2026-07-05T02:03:45.567013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a135fbc5ba3714cc62cd35c7ad199162d4161219809521825b4499c801b7b6c

Aliases

arxiv: 2009.08637 · arxiv_version: 2009.08637v1 · doi: 10.48550/arxiv.2009.08637 · pith_short_12: FIJV7PC3UNYU · pith_short_16: FIJV7PC3UNYUZRRM · pith_short_8: FIJV7PC3

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/FIJV7PC3UNYUZRRM2NOHVUMZCY \
  | 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: 2a135fbc5ba3714cc62cd35c7ad199162d4161219809521825b4499c801b7b6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2950e2bbd33fdd7e567110f9053c7e87466e197c5af05b91eb776435a22d103c",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-09-18T05:57:59Z",
    "title_canon_sha256": "7a94161a9456a5d52600a3f85f688425ad5b4565092971d95c592a13fe5abcc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.08637",
    "kind": "arxiv",
    "version": 1
  }
}