Pith Number

pith:B6T4JKIW

pith:2013:B6T4JKIWRS6CZE2AZGZKZLSBHD

not attested not anchored not stored refs pending

Optical turbulence characterization at the SAAO Sutherland site

Chantal Fourie, David A.H. Buckley, Fred Marang, Harry Shepherd, Laure Catala, Patrick Matshaya, Richard Wilson, Steven M. Crawford, Tim Butterley, Tim Pickering

arxiv:1308.5456 v2 · 2013-08-25 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B6T4JKIWRS6CZE2AZGZKZLSBHD}

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	2026-05-18T03:08:46.743783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fa7c4a9168cbc2c9340c9b2acae4138d76202a8cad3ef63ae1f840990f32ce9

Aliases

arxiv: 1308.5456 · arxiv_version: 1308.5456v2 · doi: 10.48550/arxiv.1308.5456 · pith_short_12: B6T4JKIWRS6C · pith_short_16: B6T4JKIWRS6CZE2A · pith_short_8: B6T4JKIW

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/B6T4JKIWRS6CZE2AZGZKZLSBHD \
  | 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: 0fa7c4a9168cbc2c9340c9b2acae4138d76202a8cad3ef63ae1f840990f32ce9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccac16538811231acd567013a962643fa60cfcfa620e796ca7ec798717d14b6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-08-25T22:01:18Z",
    "title_canon_sha256": "b399d34290442622f39e567a6a95fb86c1176a1a027298d2a2b8851e2bf15fc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5456",
    "kind": "arxiv",
    "version": 2
  }
}