Pith Number

pith:UYHOFQZE

pith:2007:UYHOFQZEMWVVNGZNRNPDR3MK4M

not attested not anchored not stored refs pending

The size and structure of the spheroid of IC 1613

\'E. Artigau, P. Battinelli, S. Demers

arxiv:astro-ph/0702489 v1 · 2007-02-19 · 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{UYHOFQZEMWVVNGZNRNPDR3MK4M}

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	2026-05-18T04:17:14.002970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a60ee2c32465ab569b2d8b5e38ed8ae3174e0b8bacbde20b95098034f9fcc349

Aliases

arxiv: astro-ph/0702489 · arxiv_version: astro-ph/0702489v1 · doi: 10.48550/arxiv.astro-ph/0702489 · pith_short_12: UYHOFQZEMWVV · pith_short_16: UYHOFQZEMWVVNGZN · pith_short_8: UYHOFQZE

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/UYHOFQZEMWVVNGZNRNPDR3MK4M \
  | 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: a60ee2c32465ab569b2d8b5e38ed8ae3174e0b8bacbde20b95098034f9fcc349

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "115b0464d43471e33a96707f31fdd46a381228957d47be4b695cac86c099a14a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-19T18:43:51Z",
    "title_canon_sha256": "9cf4ad9841330bdbece2565c135ed84b77f01e66a5990a79e977d88b4a76d016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702489",
    "kind": "arxiv",
    "version": 1
  }
}