Pith Number

pith:PSFKFPHB

pith:2016:PSFKFPHB62EEDZPDI6WFFRKYXJ

not attested not anchored not stored refs pending

Full-disk Synoptic Observations of the Chromosphere Using H$_{\alpha}$ Telescope at the Kodaikanal Observatory

B. Ravindra, F. Gabriel, J.P. Lancelot, K.C. Thulasidharen, K.E. Rangarajan, K. Prabhu, P.M.M. Kemkar, R. Selvendran, Singh Jagdev, S.P. Bagare

arxiv:1608.03390 v1 · 2016-08-11 · 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{PSFKFPHB62EEDZPDI6WFFRKYXJ}

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	2026-05-18T01:08:37.383276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c8aa2bce1f68841e5e347ac52c558ba51cb69d35aa64d5c179fa8fad73937b4

Aliases

arxiv: 1608.03390 · arxiv_version: 1608.03390v1 · doi: 10.48550/arxiv.1608.03390 · pith_short_12: PSFKFPHB62EE · pith_short_16: PSFKFPHB62EEDZPD · pith_short_8: PSFKFPHB

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/PSFKFPHB62EEDZPDI6WFFRKYXJ \
  | 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: 7c8aa2bce1f68841e5e347ac52c558ba51cb69d35aa64d5c179fa8fad73937b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb01bb46d130a2e9ab9e66bbafe9bba59b1962d08f0b48ddbcf129b3fd5f0939",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-08-11T07:21:01Z",
    "title_canon_sha256": "3660c27829257220178a89017b16ba789522d6add7350779d4673e84795af794"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03390",
    "kind": "arxiv",
    "version": 1
  }
}