Pith Number

pith:R73XFJJA

pith:2000:R73XFJJAUJWFIIWQMLPAAC56AI

not attested not anchored not stored refs pending

2MASS Observations of the Perseus, Orion A, Orion B, and Monoceros R2 Molecular Clouds

John M. Carpenter (Caltech)

arxiv:astro-ph/0009118 v1 · 2000-09-07 · 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{R73XFJJAUJWFIIWQMLPAAC56AI}

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	2026-05-18T04:25:39.741943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ff772a520a26c5422d062de000bbe022fcfa04758dd64728d8bdf12e6686572

Aliases

arxiv: astro-ph/0009118 · arxiv_version: astro-ph/0009118v1 · doi: 10.48550/arxiv.astro-ph/0009118 · pith_short_12: R73XFJJAUJWF · pith_short_16: R73XFJJAUJWFIIWQ · pith_short_8: R73XFJJA

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/R73XFJJAUJWFIIWQMLPAAC56AI \
  | 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: 8ff772a520a26c5422d062de000bbe022fcfa04758dd64728d8bdf12e6686572

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e60eec7fc28731c2d461b924016ff04aaa13270a72b3dee3802d2ae727fabb06",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-07T16:21:17Z",
    "title_canon_sha256": "1ffe14197ecfaf65ac31642707c2ce5755422ae3ee01752de4540847a78b9211"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009118",
    "kind": "arxiv",
    "version": 1
  }
}