Pith Number

pith:HNPGNHE2

pith:2013:HNPGNHE2WBECF76BNBXLKZN2CX

not attested not anchored not stored refs pending

3He: Does the problem persists?

A. A. Zijlstra, A. Karakas, J. E. Pineda, L. Guzman-Ramirez, R. Stancliffe

arxiv:1303.5607 v1 · 2013-03-22 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HNPGNHE2WBECF76BNBXLKZN2CX}

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	2026-05-18T01:50:59.567302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b5e669c9ab04822ffc1686eb565ba15e9a3e7d1972eedefb38fb9fc7d45ca68

Aliases

arxiv: 1303.5607 · arxiv_version: 1303.5607v1 · doi: 10.48550/arxiv.1303.5607 · pith_short_12: HNPGNHE2WBEC · pith_short_16: HNPGNHE2WBECF76B · pith_short_8: HNPGNHE2

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/HNPGNHE2WBECF76BNBXLKZN2CX \
  | 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: 3b5e669c9ab04822ffc1686eb565ba15e9a3e7d1972eedefb38fb9fc7d45ca68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "231b183812553230c7a8344950c7e93d885015a608e2f3f845cd711d0ca9ab4f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-03-22T13:22:09Z",
    "title_canon_sha256": "876b8a0154525ceada135dbdecc487eb26fd05e678fb9dd7120dc5b6273e326c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5607",
    "kind": "arxiv",
    "version": 1
  }
}