Pith Number

pith:7SG3M53R

pith:2009:7SG3M53RRWJGUP2DLFK35BDKEA

not attested not anchored not stored refs pending

The 8 Micron Phase Variation of the Hot Saturn HD 149026b

Adam P. Showman, David Charbonneau, Eric Agol, Gregory W. Henry, Heather A. Knutson, Jonathan J. Fortney, Nicolas B. Cowan

arxiv:0908.1977 v1 · 2009-08-13 · 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{7SG3M53RRWJGUP2DLFK35BDKEA}

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	2026-05-18T02:12:34.464888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc8db677718d926a3f435955be846a20160c8c726cfcb67a225d10425f61c58f

Aliases

arxiv: 0908.1977 · arxiv_version: 0908.1977v1 · doi: 10.48550/arxiv.0908.1977 · pith_short_12: 7SG3M53RRWJG · pith_short_16: 7SG3M53RRWJGUP2D · pith_short_8: 7SG3M53R

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/7SG3M53RRWJGUP2DLFK35BDKEA \
  | 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: fc8db677718d926a3f435955be846a20160c8c726cfcb67a225d10425f61c58f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "264cc271b0366933dd34ff383a29d378e84972b751b29fe635d3ccf44c2e4906",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-08-13T20:08:48Z",
    "title_canon_sha256": "9de4fd4cc8abd5e992939090c8b8b5d59cd47df024a0f069136538c8b76beafd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1977",
    "kind": "arxiv",
    "version": 1
  }
}