Pith Number

pith:E6QCEFUX

pith:2017:E6QCEFUXVGUNP6JMMVHFZIBFSX

not attested not anchored not stored refs pending

Slicing COSMOS with SC4K: the evolution of typical Lya emitters and the Lya escape fraction from z~2 to z~6

Ali A. Khostovan, Ana Paulino-Afonso, Bruno Ribeiro, David Sobral, Jo\~ao Calhau, Jorryt Matthee, S\'ergio Santos

arxiv:1712.04451 v2 · 2017-12-12 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6QCEFUXVGUNP6JMMVHFZIBFSX}

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	2026-05-18T00:22:23.598797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27a0221697a9a8d7f92c654e5ca02595ee71d27bc4bc44e2a5ec5a83e4d27fde

Aliases

arxiv: 1712.04451 · arxiv_version: 1712.04451v2 · doi: 10.48550/arxiv.1712.04451 · pith_short_12: E6QCEFUXVGUN · pith_short_16: E6QCEFUXVGUNP6JM · pith_short_8: E6QCEFUX

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/E6QCEFUXVGUNP6JMMVHFZIBFSX \
  | 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: 27a0221697a9a8d7f92c654e5ca02595ee71d27bc4bc44e2a5ec5a83e4d27fde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76088a7676fe75cfd76df56244bf1190db1b0e0b819b56f39c81ab3c88fb0d20",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-12T19:00:01Z",
    "title_canon_sha256": "ec4a73f8abc887ebc0ff1d927beca390f93d5e0b854854134e9e1598186c294d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04451",
    "kind": "arxiv",
    "version": 2
  }
}