Pith Number

pith:FYNFJNHF

pith:2003:FYNFJNHFKHSLTALAQNUSYA3PIK

not attested not anchored not stored refs pending

Detection of DCO+ in a circumstellar disk

E.F. van Dishoeck, G.J. van Zadelhoff, W.F. Thi

arxiv:astro-ph/0301571 v1 · 2003-01-29 · 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{FYNFJNHFKHSLTALAQNUSYA3PIK}

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	2026-05-18T04:21:42.081726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e1a54b4e551e4b9816083692c036f42aab3faf79cc9ba612f34d73cc801164a

Aliases

arxiv: astro-ph/0301571 · arxiv_version: astro-ph/0301571v1 · doi: 10.48550/arxiv.astro-ph/0301571 · pith_short_12: FYNFJNHFKHSL · pith_short_16: FYNFJNHFKHSLTALA · pith_short_8: FYNFJNHF

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/FYNFJNHFKHSLTALAQNUSYA3PIK \
  | 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: 2e1a54b4e551e4b9816083692c036f42aab3faf79cc9ba612f34d73cc801164a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fd9cd27246b0a095fa58709a8c1ccb69977a14ca45a0c8af2afb7ad0ff599e8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-29T11:54:00Z",
    "title_canon_sha256": "511335fa61d69311e0436194823dce02a27405d3240f3d2b178d30cf94c589af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301571",
    "kind": "arxiv",
    "version": 1
  }
}