Pith Number

pith:WWNEOX5D

pith:2003:WWNEOX5DSPETPB7USB6OQNAUXU

not attested not anchored not stored refs pending

First detection of doubly deuterated hydrogen sulfide

C. Ceccarelli, C. Vastel, J. Pearson, T.G. Phillips

arxiv:astro-ph/0307221 v1 · 2003-07-10 · 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{WWNEOX5DSPETPB7USB6OQNAUXU}

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	2026-07-04T16:52:08.732798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b59a475fa393c93787f4907ce83414bd000b7537e82c6fb1ebc59d39d131dc7b

Aliases

arxiv: astro-ph/0307221 · arxiv_version: astro-ph/0307221v1 · doi: 10.48550/arxiv.astro-ph/0307221 · pith_short_12: WWNEOX5DSPET · pith_short_16: WWNEOX5DSPETPB7U · pith_short_8: WWNEOX5D

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/WWNEOX5DSPETPB7USB6OQNAUXU \
  | 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: b59a475fa393c93787f4907ce83414bd000b7537e82c6fb1ebc59d39d131dc7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aa44c2620cbe0930ae242ccdd56ddb867d7415de1cb4f6bd192f73f75e4e164",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-10T17:44:42Z",
    "title_canon_sha256": "36c6054ca22e05d98d248db3d10e49004f0b7cb0e58a07bcaa731d8a825749e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307221",
    "kind": "arxiv",
    "version": 1
  }
}