Pith Number

pith:JSH37FDK

pith:2018:JSH37FDKXDZW2O74QVGJKLLYJZ

not attested not anchored not stored refs pending

Orbital Period Increase in ES Ceti

(2) Columbia Univ., (3) Middlebury Coll., (4) Center for Backyard Astrophysics), Berto Monard (4), Enrique de Miguel (1), Gordon Myers (4), Jonathan Kemp (3), Joseph Patterson (2), Lewis Cook (4) ((1) Univ. de Huelva, Robert Rea (4), Thomas Krajci (4)

arxiv:1801.01049 v1 · 2018-01-03 · 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{JSH37FDKXDZW2O74QVGJKLLYJZ}

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	2026-05-18T00:26:23.049134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c8fbf946ab8f36d3bfc854c952d784e5cebd8208baf4aea8b279c1985a44f19

Aliases

arxiv: 1801.01049 · arxiv_version: 1801.01049v1 · doi: 10.48550/arxiv.1801.01049 · pith_short_12: JSH37FDKXDZW · pith_short_16: JSH37FDKXDZW2O74 · pith_short_8: JSH37FDK

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/JSH37FDKXDZW2O74QVGJKLLYJZ \
  | 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: 4c8fbf946ab8f36d3bfc854c952d784e5cebd8208baf4aea8b279c1985a44f19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "001b5ff985ff27e52be5c7d14493e6112413bc64bb1091a8a536ba3a8f80f229",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-03T15:27:29Z",
    "title_canon_sha256": "62833f08ffe85e455fe57ce5ee0ad2a9034811f55c31dfc1b18d8dcdcacef0d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01049",
    "kind": "arxiv",
    "version": 1
  }
}