Pith Number

pith:Z3CTF4HC

pith:1998:Z3CTF4HCQMUYRXB54WVXWQONZ7

not attested not anchored not stored refs pending

Molecules at High Redshifts

D. Puy (Univ. Zurich, M. Signore (Obs. Paris), PSI)

arxiv:astro-ph/9812384 v1 · 1998-12-21 · 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{Z3CTF4HCQMUYRXB54WVXWQONZ7}

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	2026-07-04T14:16:27.236848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cec532f0e2832988dc3de5ab7b41cdcfd8f148c6222e270e5dc928a58f6053e2

Aliases

arxiv: astro-ph/9812384 · arxiv_version: astro-ph/9812384v1 · doi: 10.48550/arxiv.astro-ph/9812384 · pith_short_12: Z3CTF4HCQMUY · pith_short_16: Z3CTF4HCQMUYRXB5 · pith_short_8: Z3CTF4HC

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/Z3CTF4HCQMUYRXB54WVXWQONZ7 \
  | 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: cec532f0e2832988dc3de5ab7b41cdcfd8f148c6222e270e5dc928a58f6053e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2dcc00987c041463612f26bef12bdc63d1196521306a4cf468c2cddf2ef5d0a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-12-21T13:21:47Z",
    "title_canon_sha256": "f38c97d56838bb72f016d0fee36c4f86894899ec71b94eee9f456974d3051dc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9812384",
    "kind": "arxiv",
    "version": 1
  }
}