Pith Number

pith:6DKVLJEQ

pith:2001:6DKVLJEQ6ELGQW2LOLB5UWFWLL

not attested not anchored not stored refs pending

Infrared Properties of Cataclysmic Variables from 2MASS: Results from the 2nd Incremental Data Release

(2) San Diego State University, (3) Steward Observatory/University of Arizona), D. W. Hoard (1), L. Lee Clark (2), S. Wachter (1), Timothy P. Bowers (3) ((1) Cerro Tololo Inter-American Observatory

arxiv:astro-ph/0109393 v1 · 2001-09-21 · 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{6DKVLJEQ6ELGQW2LOLB5UWFWLL}

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	2026-07-04T16:24:09.845865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0d555a490f116685b4b72c3da58b65af3c3b04696b07f3c919325e78357250d

Aliases

arxiv: astro-ph/0109393 · arxiv_version: astro-ph/0109393v1 · doi: 10.48550/arxiv.astro-ph/0109393 · pith_short_12: 6DKVLJEQ6ELG · pith_short_16: 6DKVLJEQ6ELGQW2L · pith_short_8: 6DKVLJEQ

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/6DKVLJEQ6ELGQW2LOLB5UWFWLL \
  | 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: f0d555a490f116685b4b72c3da58b65af3c3b04696b07f3c919325e78357250d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64e69f3dd43d4ae3a7b19c4589eb9aa26fd32d0ea48bac5f4c736936fee17cab",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-21T23:07:26Z",
    "title_canon_sha256": "9a7fbdad7aa3c85324f5f8b9162882b2693f828dc5a06aa1873204039fb5e724"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109393",
    "kind": "arxiv",
    "version": 1
  }
}