Pith Number

pith:6S4EBEBE

pith:2010:6S4EBEBEXUZF2ZPRVGTIVD3PFI

not attested not anchored not stored refs pending

Tol 2240-384 - a new low-metallicity AGN candidate

C. Henkel, G. Stasinska, K. J. Fricke, N. G. Guseva, P. Papaderos, Y. I. Izotov

arxiv:1005.1844 v1 · 2010-05-11 · 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{6S4EBEBEXUZF2ZPRVGTIVD3PFI}

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	2026-05-18T00:14:57.747147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4b8409024bd325d65f1a9a68a8f6f2a0aaedc859fbe87c1f02a55bbf3546458

Aliases

arxiv: 1005.1844 · arxiv_version: 1005.1844v1 · doi: 10.48550/arxiv.1005.1844 · pith_short_12: 6S4EBEBEXUZF · pith_short_16: 6S4EBEBEXUZF2ZPR · pith_short_8: 6S4EBEBE

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/6S4EBEBEXUZF2ZPRVGTIVD3PFI \
  | 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: f4b8409024bd325d65f1a9a68a8f6f2a0aaedc859fbe87c1f02a55bbf3546458

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "085f794907639ff4ff3b25b871216d330e6c4d99a3c6e20d4fce20efb556d307",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-11T14:32:21Z",
    "title_canon_sha256": "b1f184a400765def866f0ff1ccd415fa1c2fe20a2574d4d70d77f881e6c57e2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1844",
    "kind": "arxiv",
    "version": 1
  }
}