Pith Number

pith:SYTYMWPD

pith:2014:SYTYMWPDNXGAKXQIERISK7WIHF

not attested not anchored not stored refs pending

An Extensive Photometric Investigation of the W UMa System DK Cyg

B. Korany, E. Elkholy, M. I. Nouh, M. M. Elkhateeb

arxiv:1406.1652 v2 · 2014-06-06 · 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{SYTYMWPDNXGAKXQIERISK7WIHF}

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	2026-05-18T00:37:53.036142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96278659e36dcc055e082451257ec8395eb5c26b269f4ff8bb801933bf896627

Aliases

arxiv: 1406.1652 · arxiv_version: 1406.1652v2 · doi: 10.48550/arxiv.1406.1652 · pith_short_12: SYTYMWPDNXGA · pith_short_16: SYTYMWPDNXGAKXQI · pith_short_8: SYTYMWPD

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/SYTYMWPDNXGAKXQIERISK7WIHF \
  | 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: 96278659e36dcc055e082451257ec8395eb5c26b269f4ff8bb801933bf896627

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "168ee0466ac5cda363a637cd55c3c824b16c26d2241459f0656ceeab02df7634",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-06-06T11:43:06Z",
    "title_canon_sha256": "d4173010700e7a4424d32a4a77381ed1a1df65964147886077beca5d5347129e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1652",
    "kind": "arxiv",
    "version": 2
  }
}