Pith Number

pith:D24NF3S6

pith:2012:D24NF3S67SWFJD6YZIDLBA7NWU

not attested not anchored not stored refs pending

Light and Shadows over Petra: astronomy and landscape in Nabataean lands

A. C. Gonzalez-Garcia, A. Polcaro, J. A. Belmonte

arxiv:1209.1540 v1 · 2012-09-07 · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D24NF3S67SWFJD6YZIDLBA7NWU}

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	2026-05-18T03:46:04.554622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eb8d2ee5efcac548fd8ca06b083edb5154e6f34eda10b0dbd90822ca9b13a14

Aliases

arxiv: 1209.1540 · arxiv_version: 1209.1540v1 · doi: 10.48550/arxiv.1209.1540 · pith_short_12: D24NF3S67SWF · pith_short_16: D24NF3S67SWFJD6Y · pith_short_8: D24NF3S6

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/D24NF3S67SWFJD6YZIDLBA7NWU \
  | 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: 1eb8d2ee5efcac548fd8ca06b083edb5154e6f34eda10b0dbd90822ca9b13a14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ced37149a164e4f104b75a43c1ef26c95a42d37265efdbaebfb309bc3f859c37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2012-09-07T13:59:58Z",
    "title_canon_sha256": "42823a5a31ff28fc22d2b95e346175034dd1248d1d5bf4dc19aed42d2cf08ba2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1540",
    "kind": "arxiv",
    "version": 1
  }
}