Pith Number

pith:R5CLYVTD

pith:2016:R5CLYVTDR2IEE2KQFPIALFB27X

not attested not anchored not stored refs pending

Archaeoastronomy and the orientation of old churches

Alejandro Gangui

arxiv:1604.00260 v1 · 2016-04-01 · physics.hist-ph · 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{R5CLYVTDR2IEE2KQFPIALFB27X}

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	2026-05-18T01:17:54.186141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f44bc56638e904269502bd005943afdcd7bde5b4262b06d4f21c156e49c20e3

Aliases

arxiv: 1604.00260 · arxiv_version: 1604.00260v1 · doi: 10.48550/arxiv.1604.00260 · pith_short_12: R5CLYVTDR2IE · pith_short_16: R5CLYVTDR2IEE2KQ · pith_short_8: R5CLYVTD

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/R5CLYVTDR2IEE2KQFPIALFB27X \
  | 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: 8f44bc56638e904269502bd005943afdcd7bde5b4262b06d4f21c156e49c20e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cd0d09f14f8f45203b76af32b60b85cdfc1005e8f521976348657d9b6aa479f",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2016-04-01T14:26:31Z",
    "title_canon_sha256": "310cfeee540fe4ec7048fdb51bd528badfae6903913ee01aae9ece7a3e1f6700"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00260",
    "kind": "arxiv",
    "version": 1
  }
}