Pith Number

pith:E6LMQFZ5

pith:2009:E6LMQFZ5F25C4A53R5BADMKMRK

not attested not anchored not stored refs pending

Exploring arrival directions of UHECRs with the Yakutsk array

A.A. Ivanov

arxiv:0903.0532 v1 · 2009-03-03 · astro-ph.GA · 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{E6LMQFZ5F25C4A53R5BADMKMRK}

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	2026-05-18T02:35:00.653910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2796c8173d2eba2e03bb8f4201b14c8ab77b86a410f22b4f174f166622416f6d

Aliases

arxiv: 0903.0532 · arxiv_version: 0903.0532v1 · doi: 10.48550/arxiv.0903.0532 · pith_short_12: E6LMQFZ5F25C · pith_short_16: E6LMQFZ5F25C4A53 · pith_short_8: E6LMQFZ5

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/E6LMQFZ5F25C4A53R5BADMKMRK \
  | 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: 2796c8173d2eba2e03bb8f4201b14c8ab77b86a410f22b4f174f166622416f6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa4676921a09c297a93f4574678a46f5a91372aa1b3577004212fb71a58b4e84",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-03T13:39:54Z",
    "title_canon_sha256": "18fac6b27a9bfa94566f6070886cdfe1b1ee85c676a49cf95c5b0dd7a45e78fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0532",
    "kind": "arxiv",
    "version": 1
  }
}