Pith Number

pith:MMMHEOZP

pith:2013:MMMHEOZPRKC3JTXQJKYUJZCQZI

not attested not anchored not stored refs pending

Qatar-1: indications for possible transit timing variations

C. von Essen, E. Agol, J.H.M.M. Schmitt, S. Schr\"oter

arxiv:1309.1457 v1 · 2013-09-05 · 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{MMMHEOZPRKC3JTXQJKYUJZCQZI}

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	2026-05-18T03:14:07.256960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6318723b2f8a85b4cef04ab144e450ca1b7149e3973b84b3298bb772b12baafd

Aliases

arxiv: 1309.1457 · arxiv_version: 1309.1457v1 · doi: 10.48550/arxiv.1309.1457 · pith_short_12: MMMHEOZPRKC3 · pith_short_16: MMMHEOZPRKC3JTXQ · pith_short_8: MMMHEOZP

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/MMMHEOZPRKC3JTXQJKYUJZCQZI \
  | 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: 6318723b2f8a85b4cef04ab144e450ca1b7149e3973b84b3298bb772b12baafd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "641e11a4c6e88fa3cf08854652f4ac89e5ed70d667f62ad9ffece722ef8e991f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-09-05T19:47:06Z",
    "title_canon_sha256": "43e2e363991586973579cf93cff5c0766884d9e3e0ab2188a7ade000ed9c27ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1457",
    "kind": "arxiv",
    "version": 1
  }
}