Pith Number

pith:DDNHMV7R

pith:2016:DDNHMV7RUP2NUORCEIBIGMD4TI

not attested not anchored not stored refs pending

Revisiting 154-day periodicity in the occurrence of hard flares. A planetary influence?

Ian Edmonds

arxiv:1611.04240 v1 · 2016-11-14 · 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{DDNHMV7RUP2NUORCEIBIGMD4TI}

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	2026-05-18T00:59:17.079074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18da7657f1a3f4da3a22220283307c9a3abe5731c7ae203272c086e2762f935b

Aliases

arxiv: 1611.04240 · arxiv_version: 1611.04240v1 · doi: 10.48550/arxiv.1611.04240 · pith_short_12: DDNHMV7RUP2N · pith_short_16: DDNHMV7RUP2NUORC · pith_short_8: DDNHMV7R

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/DDNHMV7RUP2NUORCEIBIGMD4TI \
  | 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: 18da7657f1a3f4da3a22220283307c9a3abe5731c7ae203272c086e2762f935b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd6b3bf2486275ffd01c91c91315f41993939f53f0f4f96ddc8814b95e2e026e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-11-14T03:31:41Z",
    "title_canon_sha256": "eebeadcac6c721019688fb3d868fbe6d71e7f67394c920452fc991171aed3500"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04240",
    "kind": "arxiv",
    "version": 1
  }
}