Pith Number

pith:6DMTSUWU

pith:2013:6DMTSUWUNC4JLXQXN6UZP3XZPS

not attested not anchored not stored refs pending

Ancient eclipses and long-term drifts in the Earth - Moon system

Amit Seta, B. V. Subbarayappa, M. N. Vahia, Saurabh Singh

arxiv:1307.8218 v1 · 2013-07-31 · 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{6DMTSUWUNC4JLXQXN6UZP3XZPS}

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	2026-05-18T03:17:01.938776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0d93952d468b895de176fa997eef97c9196f19c8f986e11908bb65fc05e07b0

Aliases

arxiv: 1307.8218 · arxiv_version: 1307.8218v1 · doi: 10.48550/arxiv.1307.8218 · pith_short_12: 6DMTSUWUNC4J · pith_short_16: 6DMTSUWUNC4JLXQX · pith_short_8: 6DMTSUWU

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/6DMTSUWUNC4JLXQXN6UZP3XZPS \
  | 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: f0d93952d468b895de176fa997eef97c9196f19c8f986e11908bb65fc05e07b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fd50614cf37dcf204ad02facf1b98c4eb2d0108da5d5b7830fe4231b5df6f55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-07-31T03:46:22Z",
    "title_canon_sha256": "183824200e3ae9a42d5f40825105d04577672b71e9cb4805d14a97a66feaac08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.8218",
    "kind": "arxiv",
    "version": 1
  }
}