Pith Number

pith:YIFHKUQG

pith:2002:YIFHKUQGAIG5JH77R5U6DBMOEK

not attested not anchored not stored refs pending

Triply deuterated ammonia in NGC 1333

D.C. Lis, E. Roueff, F.F.S. van der Tak, H.S.P. M"uller, M. Gerin, P. Schilke, T.G. Phillips

arxiv:astro-ph/0204448 v1 · 2002-04-26 · 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{YIFHKUQGAIG5JH77R5U6DBMOEK}

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	2026-07-04T16:29:55.602693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c20a755206020dd49fff8f69e1858e22b192e14f689912bf023a4c4bc4906434

Aliases

arxiv: astro-ph/0204448 · arxiv_version: astro-ph/0204448v1 · doi: 10.48550/arxiv.astro-ph/0204448 · pith_short_12: YIFHKUQGAIG5 · pith_short_16: YIFHKUQGAIG5JH77 · pith_short_8: YIFHKUQG

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/YIFHKUQGAIG5JH77R5U6DBMOEK \
  | 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: c20a755206020dd49fff8f69e1858e22b192e14f689912bf023a4c4bc4906434

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b763947dc88c340d4f242f95b2f916c46f2efd0f8d176eb2f825953349b42f7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-04-26T10:55:12Z",
    "title_canon_sha256": "3296b6480cb8d45131204e7d43ae1cb4e52f9f6ae6cec59f1cb86fc3e42a5730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0204448",
    "kind": "arxiv",
    "version": 1
  }
}