Pith Number

pith:7GRNKGJV

pith:2015:7GRNKGJVNZ4URAD4JQONXRQ2FB

not attested not anchored not stored refs pending

Cosmology from the EoR/Cosmic Dawn with the SKA

Alkistis Pourtsidou, Andrei Mesinger, Filipe Abdalla, Jochen Weller, Jonathan Pritchard, Kiyotomo Ichiki, Mario Santos, Robert Benton Metcalf, Saleem Zaroubi, Tzu-Ching Chang, Xuelei Chen

arxiv:1501.04291 v1 · 2015-01-18 · 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{7GRNKGJVNZ4URAD4JQONXRQ2FB}

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	2026-05-18T02:29:09.452761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9a2d519356e7948807c4c1cdbc61a285cb2836c46f1f873501c703eab58d2ba

Aliases

arxiv: 1501.04291 · arxiv_version: 1501.04291v1 · doi: 10.48550/arxiv.1501.04291 · pith_short_12: 7GRNKGJVNZ4U · pith_short_16: 7GRNKGJVNZ4URAD4 · pith_short_8: 7GRNKGJV

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/7GRNKGJVNZ4URAD4JQONXRQ2FB \
  | 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: f9a2d519356e7948807c4c1cdbc61a285cb2836c46f1f873501c703eab58d2ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6f11995e941da8b6abf1b72858fd0cee12c8ca10022fe670f26beb11b752a82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-01-18T12:39:59Z",
    "title_canon_sha256": "816d6fe122ae6182f7a0eecaaa71fea397b01667dbcc61e3c27de0f662828567"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04291",
    "kind": "arxiv",
    "version": 1
  }
}