Pith Number

pith:PS7A2HN3

pith:2017:PS7A2HN3NSF7EHHMZVEBDLFLR7

not attested not anchored not stored refs pending

Long term study of the solar filaments from the Synoptic Maps as derived from $H_{\alpha}$ Spectroheliograms of Kodaikanal Observatory

B. Ravindra, Dipankar Banerjee, Manjunath Hegde, Subhamoy Chatterjee

arxiv:1707.05658 v1 · 2017-07-18 · 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{PS7A2HN3NSF7EHHMZVEBDLFLR7}

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	2026-05-18T00:31:12.233805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cbe0d1dbb6c8bf21ceccd4811acab8fced7ac6ab681c321e0b5350daff3b55e

Aliases

arxiv: 1707.05658 · arxiv_version: 1707.05658v1 · doi: 10.48550/arxiv.1707.05658 · pith_short_12: PS7A2HN3NSF7 · pith_short_16: PS7A2HN3NSF7EHHM · pith_short_8: PS7A2HN3

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/PS7A2HN3NSF7EHHMZVEBDLFLR7 \
  | 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: 7cbe0d1dbb6c8bf21ceccd4811acab8fced7ac6ab681c321e0b5350daff3b55e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "744af6bb93e1e1acf38f1724721009611be84ff387f261f053ef58b9609434c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-18T14:56:34Z",
    "title_canon_sha256": "35b23c16fe1b6f16c8db291f471d8545286ab1f1fe3e427293444faa1c5478eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05658",
    "kind": "arxiv",
    "version": 1
  }
}