Pith Number

pith:L7Z3OSLT

pith:2011:L7Z3OSLTXMFSHTYBQLDRVMISVH

not attested not anchored not stored refs pending

The UK Infrared Telescope M33 monitoring project. II. The star formation history in the central square kiloparsec

Atefeh Javadi (IPM, Iran, Iran), Jacco Th. van Loon (Keele), Keele University, Mohammad Taghi Mirtorabi (Alzahra University, UK)

arxiv:1103.0755 v1 · 2011-03-03 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7Z3OSLTXMFSHTYBQLDRVMISVH}

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	2026-05-18T02:03:00.245712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ff3b74973bb0b23cf0182c71ab112a9f2e4dc875b2ce8da842ac7b379b41eec

Aliases

arxiv: 1103.0755 · arxiv_version: 1103.0755v1 · doi: 10.48550/arxiv.1103.0755 · pith_short_12: L7Z3OSLTXMFS · pith_short_16: L7Z3OSLTXMFSHTYB · pith_short_8: L7Z3OSLT

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/L7Z3OSLTXMFSHTYBQLDRVMISVH \
  | 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: 5ff3b74973bb0b23cf0182c71ab112a9f2e4dc875b2ce8da842ac7b379b41eec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7306a08b354bdd883f0cd711f38154167afd64222e467fa7593f029a8d8608e1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-03T18:54:30Z",
    "title_canon_sha256": "c3dfb9732dd7fab1cae25b4238e0828679ab4309fe934f192275e387da0de416"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0755",
    "kind": "arxiv",
    "version": 1
  }
}