Pith Number

pith:XFO6OUPN

pith:2015:XFO6OUPN7T5VGUZV72FI46CEP4

not attested not anchored not stored refs pending

Historical Reflections on the Work of IAU Commission 4 (Ephemerides)

Agnes Fienga, Catherine Hohenkerk, Elena V. Pitjeva, George H. Kaplan, James G. Williams, Jan Vondrak, John A. Bangert, Julia Weratschnig, Marina Lukashova, Michael Sveshnikov, P. Kenneth Seidelmann, Sean Urban, William Folkner

arxiv:1511.01546 v1 · 2015-11-04 · astro-ph.EP · 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{XFO6OUPN7T5VGUZV72FI46CEP4}

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	2026-05-18T01:27:45.306996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b95de751edfcfb535335fe8a8e78447f1fabe39202c9f6d2db9a3ac3f6ef44fb

Aliases

arxiv: 1511.01546 · arxiv_version: 1511.01546v1 · doi: 10.48550/arxiv.1511.01546 · pith_short_12: XFO6OUPN7T5V · pith_short_16: XFO6OUPN7T5VGUZV · pith_short_8: XFO6OUPN

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/XFO6OUPN7T5VGUZV72FI46CEP4 \
  | 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: b95de751edfcfb535335fe8a8e78447f1fabe39202c9f6d2db9a3ac3f6ef44fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ab98c6bd64870a9ad77828beadb3ac7ead550938b97fd9e4d1df7c95b24e0c7",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-11-04T23:06:43Z",
    "title_canon_sha256": "cdffc5c860522bc2c255ed7b7a89d51a1bfaba18c0200da51012b0c951befa05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01546",
    "kind": "arxiv",
    "version": 1
  }
}