Pith Number

pith:QRA5U2GP

pith:2015:QRA5U2GPZX3R72VBIVJIKGDM4N

not attested not anchored not stored refs pending

Evolution of the H$\beta$+[OIII] and [OII] luminosity functions and the [OII] star-formation history of the Universe up to $z$ ~ 5 from HiZELS

Ali Ahmad Khostovan, Bahram Mobasher, David Sobral, Hooshang Nayyeri, Ian Smail, John P. Stott, Philip N. Best, Shoubaneh Hemmati

arxiv:1503.00004 v2 · 2015-02-27 · 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{QRA5U2GPZX3R72VBIVJIKGDM4N}

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	2026-05-18T01:36:58.088588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8441da68cfcdf71feaa1455285186ce37a8af5fcd01f3bfb9460c7ea8cd628be

Aliases

arxiv: 1503.00004 · arxiv_version: 1503.00004v2 · doi: 10.48550/arxiv.1503.00004 · pith_short_12: QRA5U2GPZX3R · pith_short_16: QRA5U2GPZX3R72VB · pith_short_8: QRA5U2GP

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/QRA5U2GPZX3R72VBIVJIKGDM4N \
  | 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: 8441da68cfcdf71feaa1455285186ce37a8af5fcd01f3bfb9460c7ea8cd628be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "858ce20fdd667cab6e261a33f4ae3199f7ce5404b9d504009582a6bda6ca03a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-27T21:00:10Z",
    "title_canon_sha256": "6de92c1522050a2f180ab054d6bbd0ce4cf1e473847dec11a04f86574e91097c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00004",
    "kind": "arxiv",
    "version": 2
  }
}