Pith Number

pith:PQEDQEV6

pith:2003:PQEDQEV6A7YQDNRN7TARS5TT6V

not attested not anchored not stored refs pending

A Sample of Field Ellipticals

Matthew J. Graham, Rodney M. Smith, Vicent J. Martinez

arxiv:astro-ph/0311599 v1 · 2003-11-27 · 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{PQEDQEV6A7YQDNRN7TARS5TT6V}

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	2026-07-04T16:37:53.742751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c083812be07f101b62dfcc1197673f56e4a861755fbed0c6bdab61526eae455

Aliases

arxiv: astro-ph/0311599 · arxiv_version: astro-ph/0311599v1 · doi: 10.48550/arxiv.astro-ph/0311599 · pith_short_12: PQEDQEV6A7YQ · pith_short_16: PQEDQEV6A7YQDNRN · pith_short_8: PQEDQEV6

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/PQEDQEV6A7YQDNRN7TARS5TT6V \
  | 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: 7c083812be07f101b62dfcc1197673f56e4a861755fbed0c6bdab61526eae455

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef090762e6eaee42bfd40d9d51f5711a38a3da7e0db64fa019d8902d94886aed",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-11-27T10:08:42Z",
    "title_canon_sha256": "a4d7f4ab40ff2f92e32837442ca172b15f5c0176a2b6837f098bae671fe30999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0311599",
    "kind": "arxiv",
    "version": 1
  }
}