Pith Number

pith:2RVWX5JQ

pith:2017:2RVWX5JQAZOUG6KI54MRXBMCBL

not attested not anchored not stored refs pending

Discovery of water at high spectral resolution in the atmosphere of 51 Peg b

H. Schwarz, I. A. G. Snellen, J. L. Birkby, M. Brogi, R. J. de Kok

arxiv:1701.07257 v1 · 2017-01-25 · 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{2RVWX5JQAZOUG6KI54MRXBMCBL}

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	2026-05-18T00:49:09.548795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d46b6bf530065d437948ef191b85820adcef1be3b025cab20aa2a26b5d3dbdd4

Aliases

arxiv: 1701.07257 · arxiv_version: 1701.07257v1 · doi: 10.48550/arxiv.1701.07257 · pith_short_12: 2RVWX5JQAZOU · pith_short_16: 2RVWX5JQAZOUG6KI · pith_short_8: 2RVWX5JQ

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/2RVWX5JQAZOUG6KI54MRXBMCBL \
  | 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: d46b6bf530065d437948ef191b85820adcef1be3b025cab20aa2a26b5d3dbdd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56f194e3dc75369c0b6de2c4b7882d8f5cfbe1d57038f545e567b04f0e528229",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-01-25T10:47:14Z",
    "title_canon_sha256": "d8373f412fdcb45754f413c4c8914a15de44c1ee94f387c52a534a1c106fa23c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07257",
    "kind": "arxiv",
    "version": 1
  }
}