Pith Number

pith:DYJQAKZB

pith:2007:DYJQAKZBAWE6E7RQ6R5JXYXM2L

not attested not anchored not stored refs pending

The stellar population of bulges

P. Jablonka

arxiv:astro-ph/0701169 v1 · 2007-01-07 · 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{DYJQAKZBAWE6E7RQ6R5JXYXM2L}

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	2026-07-04T14:58:32.387371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e13002b210589e27e30f47a9be2ecd2c227bc866abcd9d9b716626b182c9f48

Aliases

arxiv: astro-ph/0701169 · arxiv_version: astro-ph/0701169v1 · doi: 10.48550/arxiv.astro-ph/0701169 · pith_short_12: DYJQAKZBAWE6 · pith_short_16: DYJQAKZBAWE6E7RQ · pith_short_8: DYJQAKZB

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/DYJQAKZBAWE6E7RQ6R5JXYXM2L \
  | 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: 1e13002b210589e27e30f47a9be2ecd2c227bc866abcd9d9b716626b182c9f48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "533ba8efb914dccfd4d29c18f0d27ebf044238ea015a98bb379f6236217d7587",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-07T20:54:40Z",
    "title_canon_sha256": "afcd32a1cd4fbbaa686672f21bcf8409e3caa2b93c8f18fe880903b88629d024"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701169",
    "kind": "arxiv",
    "version": 1
  }
}