Pith Number

pith:OLKJXLQO

pith:2010:OLKJXLQOHGA4KEF7OBPRJOM2VS

not attested not anchored not stored refs pending

The stellar populations of the AGN/Starburst galaxy NGC7582

(2) Gemini Observatory, (3) UFSC), A. Garcia-Rissmann (2), J.E. Steiner (1), R.B. Menezes (1), R. Cid Fernandes (3) ((1) IAG-USP, T.V. Ricci (1)

arxiv:1001.5271 v1 · 2010-01-28 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OLKJXLQOHGA4KEF7OBPRJOM2VS}

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	2026-05-18T02:09:22.446908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72d49bae0e3981c510bf705f14b99aacb611a966ef6c5792c5401bc8329260f7

Aliases

arxiv: 1001.5271 · arxiv_version: 1001.5271v1 · doi: 10.48550/arxiv.1001.5271 · pith_short_12: OLKJXLQOHGA4 · pith_short_16: OLKJXLQOHGA4KEF7 · pith_short_8: OLKJXLQO

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/OLKJXLQOHGA4KEF7OBPRJOM2VS \
  | 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: 72d49bae0e3981c510bf705f14b99aacb611a966ef6c5792c5401bc8329260f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fa26d9b32fd346dafd4f8c183478256f2901d16c3c562acbf4c82aba23e0f65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-28T21:09:39Z",
    "title_canon_sha256": "bd956713e02d8ce0f0b3ce20fe95cf68290ff5e679561a9c375b610c1ca0e489"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.5271",
    "kind": "arxiv",
    "version": 1
  }
}