Pith Number

pith:LHBAQRFS

pith:2016:LHBAQRFSQUDP423QMIFBX77BYH

not attested not anchored not stored refs pending

Daytime Sky Polarization Calibration Limitations

Arturo L\'opez Ariste, David M. Harrington, Jeffrey R. Kuhn

arxiv:1612.00538 v2 · 2016-12-02 · 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{LHBAQRFSQUDP423QMIFBX77BYH}

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	2026-05-18T00:52:43.973857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59c20844b28506fe6b70620a1bffe1c1fb643bd022c6b508118f274aa40bc929

Aliases

arxiv: 1612.00538 · arxiv_version: 1612.00538v2 · doi: 10.48550/arxiv.1612.00538 · pith_short_12: LHBAQRFSQUDP · pith_short_16: LHBAQRFSQUDP423Q · pith_short_8: LHBAQRFS

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/LHBAQRFSQUDP423QMIFBX77BYH \
  | 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: 59c20844b28506fe6b70620a1bffe1c1fb643bd022c6b508118f274aa40bc929

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "247e23a81526df8adaeaa39acaf9a6f4d1c1a735974378c19e23b440a0039e5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-12-02T01:48:51Z",
    "title_canon_sha256": "72f47a011300de75a1c366140cb14a77ee1abfef28f0be63cd9e8f415e303385"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00538",
    "kind": "arxiv",
    "version": 2
  }
}