Pith Number

pith:CPKWM5HX

pith:2017:CPKWM5HX7C6BSN77IFJCIOCMZP

not attested not anchored not stored refs pending

Tidal effects on stellar activity

K. Poppenhaeger

arxiv:1707.03906 v1 · 2017-07-12 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPKWM5HX7C6BSN77IFJCIOCMZP}

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	2026-05-18T00:34:47.240294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13d56674f7f8bc1937ff415224384ccbcfd03a1ea1a91ce1e0cbb79e13394ced

Aliases

arxiv: 1707.03906 · arxiv_version: 1707.03906v1 · doi: 10.48550/arxiv.1707.03906 · pith_short_12: CPKWM5HX7C6B · pith_short_16: CPKWM5HX7C6BSN77 · pith_short_8: CPKWM5HX

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/CPKWM5HX7C6BSN77IFJCIOCMZP \
  | 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: 13d56674f7f8bc1937ff415224384ccbcfd03a1ea1a91ce1e0cbb79e13394ced

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89646abc2af8384c86cb7ee5e65a2ae545f0bd3c89e0fe740345f7fee5f2a5ea",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-12T21:00:00Z",
    "title_canon_sha256": "27e97f24b8c87655bd015cb2a493f5f9ec8218e40ba6e1b48e68d148d374df56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03906",
    "kind": "arxiv",
    "version": 1
  }
}