Pith Number

pith:ELDU5OZW

pith:2016:ELDU5OZWNXBWOYVG4XA7CKUPXJ

not attested not anchored not stored refs pending

Kodaikanal Digitized White-light Data Archive (1921-2011): Analysis of various solar cycle features

B Ravindra, Dipankar Banerjee, Gopal Hazra, Manjunath Hegde, Sudip Mandal, Tanmoy Samanta

arxiv:1608.04665 v2 · 2016-08-16 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ELDU5OZWNXBWOYVG4XA7CKUPXJ}

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	2026-05-18T00:44:24.502504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22c74ebb366dc36762a6e5c1f12a8fba4a1b6d1495fdaf03f0c691476e31bf72

Aliases

arxiv: 1608.04665 · arxiv_version: 1608.04665v2 · doi: 10.48550/arxiv.1608.04665 · pith_short_12: ELDU5OZWNXBW · pith_short_16: ELDU5OZWNXBWOYVG · pith_short_8: ELDU5OZW

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/ELDU5OZWNXBWOYVG4XA7CKUPXJ \
  | 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: 22c74ebb366dc36762a6e5c1f12a8fba4a1b6d1495fdaf03f0c691476e31bf72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41e90921fad00ab9339b87bbd2f691976a888b08d21e1235d9f1a92f3fbde1af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-08-16T16:33:51Z",
    "title_canon_sha256": "9a10ccc1ac9d33379ef4a6e58c9572822c115dd9cb80d35ef1924c8a2ee15115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04665",
    "kind": "arxiv",
    "version": 2
  }
}