Pith Number

pith:I4HQRES2

pith:2008:I4HQRES2IV736TWTJGXQGXIH7B

not attested not anchored not stored refs pending

The Transit Light Curve Project. X. A Christmas Transit of HD 17156b

Avi Shporer, Debra Fischer, Geoffrey W. Marcy, Gregory W. Henry, Guillermo Torres, John Asher Johnson, Joshua N. Winn, Matthew J. Holman, Tsevi Mazeh

arxiv:0810.4725 v1 · 2008-10-26 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I4HQRES2IV736TWTJGXQGXIH7B}

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	2026-05-18T04:29:25.687420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

470f08925a457fbf4ed349af035d07f842bbb3e3f1c4a841e43cfaad58566837

Aliases

arxiv: 0810.4725 · arxiv_version: 0810.4725v1 · doi: 10.48550/arxiv.0810.4725 · pith_short_12: I4HQRES2IV73 · pith_short_16: I4HQRES2IV736TWT · pith_short_8: I4HQRES2

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/I4HQRES2IV736TWTJGXQGXIH7B \
  | 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: 470f08925a457fbf4ed349af035d07f842bbb3e3f1c4a841e43cfaad58566837

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "665cf06b9322110db8087cc3b2a5c28cd008986756f5eb4ca43afa870e23f767",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-26T22:09:01Z",
    "title_canon_sha256": "aa4bf3e43fe2a9115f1a2e034cbd809f6719f669bbfd734dc7ae33c8d21513ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4725",
    "kind": "arxiv",
    "version": 1
  }
}