Pith Number

pith:VSJL7GMF

pith:2009:VSJL7GMFYHMYKAFY3YJYN45GXE

not attested not anchored not stored refs pending

Transit observations at the observatory in Grossschwabhausen: XO-1b and TrES-1

A. Koeltzsch, A. Seifahrt, Ch. Broeg, J. Koppenhoefer, M. Hohle, M. Mugrauer, M. Vanko, R. Neuhaeuser, St. Raetz, T. Eisenbeiss, T.O.B. Schmidt, T. Roell

arxiv:0901.0625 v1 · 2009-01-06 · 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{VSJL7GMFYHMYKAFY3YJYN45GXE}

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	2026-05-18T02:15:03.272146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac92bf9985c1d98500b8de1386f3a6b91872b84667b065199daea9bd0fd6987d

Aliases

arxiv: 0901.0625 · arxiv_version: 0901.0625v1 · doi: 10.48550/arxiv.0901.0625 · pith_short_12: VSJL7GMFYHMY · pith_short_16: VSJL7GMFYHMYKAFY · pith_short_8: VSJL7GMF

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/VSJL7GMFYHMYKAFY3YJYN45GXE \
  | 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: ac92bf9985c1d98500b8de1386f3a6b91872b84667b065199daea9bd0fd6987d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fa4acecabe6b33a2682ba6554a2e01a13270c8c8590eafe467e9a75ce4eb8d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-01-06T10:59:41Z",
    "title_canon_sha256": "508017d5eaf72fab2c3d07c85e732ff2d9ca31c7cd9c5dcac95dc53acf1817b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0625",
    "kind": "arxiv",
    "version": 1
  }
}