Pith Number

pith:SESA24GE

pith:2011:SESA24GEO4T7UJO25IAWQU5D43

not attested not anchored not stored refs pending

Horizon synthesis for archaeo-astronomical purposes

Ferdinando Patat

arxiv:1107.1957 v1 · 2011-07-11 · physics.hist-ph · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SESA24GEO4T7UJO25IAWQU5D43}

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	2026-05-18T02:01:20.534895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91240d70c47727fa25daea016853a3e6d7d4104dcc455de807d59bd1648767b6

Aliases

arxiv: 1107.1957 · arxiv_version: 1107.1957v1 · doi: 10.48550/arxiv.1107.1957 · pith_short_12: SESA24GEO4T7 · pith_short_16: SESA24GEO4T7UJO2 · pith_short_8: SESA24GE

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/SESA24GEO4T7UJO25IAWQU5D43 \
  | 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: 91240d70c47727fa25daea016853a3e6d7d4104dcc455de807d59bd1648767b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d64024574ad81b441cbba86e626c5304f3669417d92e349c32a4e1f370b71f9",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2011-07-11T08:13:38Z",
    "title_canon_sha256": "9258d5a747c715e443eaa1e0fb3d84fc9d0ae02025e0963ab9e425193b3b4708"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1957",
    "kind": "arxiv",
    "version": 1
  }
}