Pith Number

pith:EKHJ3ZP5

pith:2013:EKHJ3ZP5YQD6TZBXQ3LERCEC5A

not attested not anchored not stored refs pending

Preliminary DIMM and MASS Nighttime Seeing Measurements at PEARL, in the Canadian High Arctic

Brian Leckie, Eric Steinbring, Max Millar-Blanchaer, Ray Carlberg, Rick Murowinski, Wayne Ngan

arxiv:1305.5807 v1 · 2013-05-24 · 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{EKHJ3ZP5YQD6TZBXQ3LERCEC5A}

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	2026-05-18T01:49:46.763238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

228e9de5fdc407e9e43786d6488882e81ea4c6be8cf99c0945e06385f88cd403

Aliases

arxiv: 1305.5807 · arxiv_version: 1305.5807v1 · doi: 10.48550/arxiv.1305.5807 · pith_short_12: EKHJ3ZP5YQD6 · pith_short_16: EKHJ3ZP5YQD6TZBX · pith_short_8: EKHJ3ZP5

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/EKHJ3ZP5YQD6TZBXQ3LERCEC5A \
  | 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: 228e9de5fdc407e9e43786d6488882e81ea4c6be8cf99c0945e06385f88cd403

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d48ada2fe48ba9e190c74fcdcc6ff676edf2004ec52fa0c5f48a5b55b0f38ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-05-24T17:37:18Z",
    "title_canon_sha256": "8f63a1a92aa3a85b84b09d8b39682a40e8d967be249fef47da9e00b4c55be08f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5807",
    "kind": "arxiv",
    "version": 1
  }
}