Pith Number

pith:BXL6XNCI

pith:2013:BXL6XNCIXIPXYK72JXHQSVUNNE

not attested not anchored not stored refs pending

Variability of OI 090.4

Di Fu Guo, Shao Ming Hu, Xu Chen

arxiv:1310.6842 v1 · 2013-10-25 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BXL6XNCIXIPXYK72JXHQSVUNNE}

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	2026-05-18T01:46:49.654393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dd7ebb448ba1f7c2bfa4dcf09568d693014c87726423eaf8fd79dfbd40436ec

Aliases

arxiv: 1310.6842 · arxiv_version: 1310.6842v1 · doi: 10.48550/arxiv.1310.6842 · pith_short_12: BXL6XNCIXIPX · pith_short_16: BXL6XNCIXIPXYK72 · pith_short_8: BXL6XNCI

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/BXL6XNCIXIPXYK72JXHQSVUNNE \
  | 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: 0dd7ebb448ba1f7c2bfa4dcf09568d693014c87726423eaf8fd79dfbd40436ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3af322ce1ab8eec346163c679b9108d151d2722f794a126a680d931103ed6aa",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-10-25T08:00:10Z",
    "title_canon_sha256": "306959465314f237a25990f564782554a9ccba0317f02885329dfac330a59343"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6842",
    "kind": "arxiv",
    "version": 1
  }
}