Pith Number

pith:P4D6MIOE

pith:2016:P4D6MIOE2JP5OFPEDRO7FWRAF2

not attested not anchored not stored refs pending

Extreme star formation events in quasar hosts over ${\bf0.5<\textit{z}<4}$

Anna Feltre, Charlotte Clarke, Duncan Farrah, Evanthia Hatziminaoglou, Kathryn Harris, Lingyu Wang, Lura K. Pitchford, Mathew Page, Peter Hurley, Sebastian Oliver

arxiv:1607.06459 v1 · 2016-07-21 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4D6MIOE2JP5OFPEDRO7FWRAF2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:04:18.046331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f07e621c4d25fd715e41c5df2da202e9b829603cff71e841d44496ca1b9393f

Aliases

arxiv: 1607.06459 · arxiv_version: 1607.06459v1 · doi: 10.48550/arxiv.1607.06459 · pith_short_12: P4D6MIOE2JP5 · pith_short_16: P4D6MIOE2JP5OFPE · pith_short_8: P4D6MIOE

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/P4D6MIOE2JP5OFPEDRO7FWRAF2 \
  | 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: 7f07e621c4d25fd715e41c5df2da202e9b829603cff71e841d44496ca1b9393f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0552ad8e21ef3174564a75ab69b3bef7db9ee4928243ed6937954edb0c5360fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-07-21T20:00:00Z",
    "title_canon_sha256": "df501dc5270a12a6e2a01a2f66a3926d2c418be516e44b8af52f4a432967a712"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06459",
    "kind": "arxiv",
    "version": 1
  }
}