Pith Number

pith:F2TR2WMJ

pith:2011:F2TR2WMJ4XDGU3YACROIW5W2CO

not attested not anchored not stored refs pending

Measurement Error Models in Astronomy

Brandon C. Kelly

arxiv:1112.1745 v1 · 2011-12-08 · astro-ph.IM · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2TR2WMJ4XDGU3YACROIW5W2CO}

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	2026-05-18T04:06:45.749841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ea71d5989e5c66a6f00145c8b76da13b0d963f184241f44fc52554aa1c543ed

Aliases

arxiv: 1112.1745 · arxiv_version: 1112.1745v1 · doi: 10.48550/arxiv.1112.1745 · pith_short_12: F2TR2WMJ4XDG · pith_short_16: F2TR2WMJ4XDGU3YA · pith_short_8: F2TR2WMJ

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/F2TR2WMJ4XDGU3YACROIW5W2CO \
  | 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: 2ea71d5989e5c66a6f00145c8b76da13b0d963f184241f44fc52554aa1c543ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fb687f479df707999176f94a271101f365d0a807036442b6f03da4e9284f12b",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-12-08T01:25:04Z",
    "title_canon_sha256": "f809dac8d501c7cf763b9790e59927952bb8c90a2fe6efb9ba73cefecd1199ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1745",
    "kind": "arxiv",
    "version": 1
  }
}