Pith Number

pith:MCKFGL5V

pith:2019:MCKFGL5VREBNGGEARUVAQ3SXD4

not attested not anchored not stored refs pending

Exploring HeII${\lambda}$1640 emission line properties at ${z\sim2-4}$

Anna Feltre, Anne Verhamme, Jarle Brinchmann, Johan Richard, Jorryt Matthee, Leindert Boogaard, Michael Maseda, Mieke Paalvast, Raffaella Anna Marino, Rychard Bouwens, Sebastiano Cantalupo, Themiya Nanayakkara, Wolfram Kollatschny

arxiv:1902.05960 v1 · 2019-02-15 · 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{MCKFGL5VREBNGGEARUVAQ3SXD4}

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	2026-05-17T23:48:23.393899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6094532fb58902d318808d2a086e571f16bd02cb04e8d86d4261c1a6e75f3e68

Aliases

arxiv: 1902.05960 · arxiv_version: 1902.05960v1 · doi: 10.48550/arxiv.1902.05960 · pith_short_12: MCKFGL5VREBN · pith_short_16: MCKFGL5VREBNGGEA · pith_short_8: MCKFGL5V

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/MCKFGL5VREBNGGEARUVAQ3SXD4 \
  | 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: 6094532fb58902d318808d2a086e571f16bd02cb04e8d86d4261c1a6e75f3e68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a085e38d4f835c0fdce3b841cd04795f2574a2435224c44bee76551c1c1a553b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-15T19:00:05Z",
    "title_canon_sha256": "148941513b98f3cbf7a50e84c44d55f826ed5cc14c18a14bbe5d3f8a691a5d27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05960",
    "kind": "arxiv",
    "version": 1
  }
}