Pith Number

pith:QIANOVKZ

pith:2018:QIANOVKZNWM35WRUKILBZJI5FG

not attested not anchored not stored refs pending

Photometric Analysis and Transit Times of TRAPPIST-1 b and c

Brett M. Morris, Eric Agol, Suzanne L. Hawley

arxiv:1801.04460 v1 · 2018-01-13 · 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{QIANOVKZNWM35WRUKILBZJI5FG}

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	2026-05-18T00:26:06.422649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8200d755596d99beda3452161ca51d298a1b05ca476c6b407e39729ebb030b86

Aliases

arxiv: 1801.04460 · arxiv_version: 1801.04460v1 · doi: 10.48550/arxiv.1801.04460 · pith_short_12: QIANOVKZNWM3 · pith_short_16: QIANOVKZNWM35WRU · pith_short_8: QIANOVKZ

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/QIANOVKZNWM35WRUKILBZJI5FG \
  | 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: 8200d755596d99beda3452161ca51d298a1b05ca476c6b407e39729ebb030b86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "791016d6cf35fb8b0cefa6c63ff7683ebd47272f91349343b9c61e621b4b5fc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-01-13T16:14:25Z",
    "title_canon_sha256": "8a949c96cbb3b584f327bdc40d859aa16927974c624f99867d6c9b3538ac94fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04460",
    "kind": "arxiv",
    "version": 1
  }
}