Pith Number

pith:2VPOUQ5D

pith:2016:2VPOUQ5DHTCC7YXYAJROEVNPH6

not attested not anchored not stored refs pending

The UK Infrared Telescope M33 monitoring project. V. The star formation history across the galactic disc

Atefeh Javadi (IPM), Fatemeh Tabatabaei (IAC), Habib Khosroshahi (IPM), Jacco Th. van Loon (Keele University), Maryam Rashidi (Alzahra University), Roya Hamedani Golshan (IPM)

arxiv:1610.00334 v1 · 2016-10-02 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2VPOUQ5DHTCC7YXYAJROEVNPH6}

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	2026-05-18T00:59:18.783119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d55eea43a33cc42fe2f80262e255af3fa0ad47073ed535624e082b04f59de96b

Aliases

arxiv: 1610.00334 · arxiv_version: 1610.00334v1 · doi: 10.48550/arxiv.1610.00334 · pith_short_12: 2VPOUQ5DHTCC · pith_short_16: 2VPOUQ5DHTCC7YXY · pith_short_8: 2VPOUQ5D

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/2VPOUQ5DHTCC7YXYAJROEVNPH6 \
  | 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: d55eea43a33cc42fe2f80262e255af3fa0ad47073ed535624e082b04f59de96b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98303b883e280bfb6327e06a71b2215b3b11adbd430141bdbf32535b44c89f60",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-02T18:44:05Z",
    "title_canon_sha256": "7e98247d5a4a715963abfa13f00c254b948ba4b595b1906512ffe93c19ab618d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.00334",
    "kind": "arxiv",
    "version": 1
  }
}